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A bizarre discovery shows some frogs and toads can grow their bladders around objects lodged deep within their bodies, ultimately peeing them out. Zoologists from Australia’s Charles Darwin University discovered the oddity after implanting frogs with tiny radio transmitters, which inexplicably migrated to the bladder. ...
Dr V Rajamani is a professor at the School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, specialising in the field of geo-chemistry. He explained the factors behind Sunday's earthquake and its implications to Deputy Managing Editor Amberish K Diwanji. 8.9 on the Richter scale. That is a massive ear...
Walt Whitman is the subject of not one, but two, interdisciplinary lesson plans hoping to explore the connection between the literature of the Civil War and the War itself. The first, aimed at students in grades from 7-12, is written by Nancy Hall and based off of Ken Burns’ documentary The Civil War, which has already...
Ocean Science Series: Sharks - The State of the Science The biological characteristics of sharks make them particularly vulnerable to overfishing. They grow slowly, become sexually mature relatively late and produce few offspring. This vulnerability is reflected in the large number of shark species that are considered ...
An international team of researchers have located what they believe is evidence of a lost “micro-continent” off the coast of Madagascar. This landmass would have existed millions of years ago, back in the days of the supercontinents. In the beginning, the landmasses of Earth existed together as a supercontinent called ...
What exactly is voltage? If you ask an engineer, she will probably tell you that voltage drives electric current. And so it does – but what is it? What is its nature? ‘Some sort of energy‘, you might expect. And so it is, although the technical answer is that voltage is electric potential energy per unit charge. In phy...
Pygmy shrews are active by day and night, interspersing bouts of activity with rest periods (5). They are typically solitary, and will defend their range against other pygmy shrews (2). They make surface tunnels through vegetation (2), and feed on invertebrates such as beetles, spiders and woodlice that can be found in...
What is the purpose of the Interactive Student Notebook? The Interactive Student Notebook (ISNB) enables students to be a creative, independent thinkers and writers. ISNB’s will be used for class notes as well as for other activities where you will be asked to express your own ideas and process the information presente...
Improving the Tennessee River for transportation Ever since Native Americans and fur traders first loaded canoes, the Tennessee River has been an important mode of transportation. The river provided a much quicker and easier way of transporting people and goods than the overland route. But it came with its own set of p...
The Rig Veda is a group of poems that people in India first sang and recited maybe about 1500 BC, soon after the Indo-Europeans arrived in India. People passed down these poems by reciting them out loud for hundreds of years, adding some and forgetting some. By about 1000 BC, the Rig Veda reached its final form, and th...
Where is North? - Take measurements of the Earth's magnetic field at your specific location to obtain values of: - The Earth's magnetic field strength; - The magnetic field declination; - The magnetic field inclination (dip). - Learn about the three-dimensional structure of Earth's magnetic field. Context for Use Stude...
\|View single post by Texas Defender\| \|Posted: Wed Dec 5th, 2007 03:13 am\|\| What you say about the divergence of the two societies beginning very early in our colonial history is substantially correct. Because it was never a profitable system in the northern states, the large plantation feudal type system did not develo...
Scientists have found a soil bacteria that not only resists the toxic effects of antibiotics -- it makes a meal out of them. Many bacteria can protect themselves from antibiotics by modifying the compounds to make them harmless or by pumping the compounds out of their cells entirely. And other bacteria in soil have bee...
Aztec temples were called, by the Mexica people of the empire, Teocalli - God houses. The priests of the Aztec religion went to these temples to worship and pray, and make offerings to the gods to keep them strong and in balance. Identifying the Aztec temples has been a tricky job at times. It's been easy to simply ass...
Most children with AIDS contracted the disease from an HIV-positive mother. Generally, the baby is infected during pregnancy or birth, although breast-feeding can also transmit H-I-V, the virus that causes AIDS. About 15 to 30 percent of babies born to untreated mothers will be infected with HIV. However, if the diseas...
Plague is an infectious disease caused by the bacterium Yersinia pestis that affects humans and animals. This bacterium is found in rodents and their fleas and occurs in many areas of the world, including the United States. Plague infection takes three primary forms: - Bubonic (most common form) Exposure varies dependi...
The brain has three main regions, each with its own social and emotional needs. Our brains have three basic parts, each with its own needs. - At the base is the brain stem, which regulates bodily activity and awareness. It needs safety and security. - Atop the brain stem sits the limbic system, which regulates emotion ...
In psychology, a set is a group of expectations that shape experience by making people especially sensitive to specific kinds of information. A perceptual set, also called perceptual expectancy, is a predisposition to perceive things in a certain way. Perceptual sets occur in all the different senses. They can be long ...
Mohandas Karamchand Gandhi early on showed the determination that was to become his hallmark when, at the age of 19, he defied the strictures of his high caste by “crossing the waters” to London in order to study law. Four years later in 1892, he accepted a law brief from a family friend in South Africa. He went for on...
How we view the world helps shape the view we have of others and ourselves. When providing instruction about geography to students, it is as important to explain to children that there is more than one way to look at the world as it is to teach them current political boundaries or the placement of natural landforms. Th...
CHAPTER 1: The Conquest French Victory at Ticonderoga A Costly Assault Aerial photograph of Fort Carillon / Fort Ticonderoga in 1927 (Click image to enlarge) As Amherst was laying siege to Louisbourg, General Abercromby was gathering his troops to the south of Lake Champlain. This was the largest army ever in North Ame...
Meet Kimberly Casey: Studying How Debris Influences Glaciers Kimberly Casey is a glaciologist who spends a fair amount of time in the office analyzing satellite data. But when she talks about her fieldwork on remote glaciers, one suspects she could do pretty well in a triathlon, too. Casey has carried 70-pound backpack...
Perhaps no other man-made structure on Earth staggers the imagination as the Great Wall of China. Thousands of miles long, the wall was built up over centuries by a succession of Chinese states and dynasties into one of the greatest man made projects in the world. Alternately abandoned, neglected, fortified and treasur...
Freak shows are public displays of human “freaks of nature”—human being with rare or unique biological characteristics. Dating back centuries, freak shows became especially popular in the nineteenth and early twentieth centuries when promoters, hucksters, and quacks turned them into an extremely profitable commercial e...
New York: Middle Colony The colony that the British renamed new York was originally settled by people from the Netherlands ( often called Holland) is a country in Northern Europe. It's people are called Dutch. The Dutch came to the colony to set up fur- trading posts. The British, however, wanted this land so that the ...
Slope of a straight line can be expressed in terms of coordinates of any two points of the same straight line. It is also used to calculate the slope of the straight line but this method is actually used to calculate slope of the straight line when the angle, made by the straight line is unknown but the coordinates of ...
Current sensing is used to perform two essential circuit functions. First, it is used to measure “how much” current is flowing in a circuit, which may be used to make decisions about turning off peripheral loads to conserve power or to return operation to normal limits. A second function is to determine when it is a “t...
Pathophysiology: Viral gastroenteritis is an intestinal infection where inflammation of the stomach and intestines occur from a virus. It is also known as “stomach flu”. This infection may lead to watery diarrhoea, abdominal cramps, nausea or vomiting, and fever. It occurs by contact with a diseased person or by intake...
As previously discussed, the First Congress of the United States of America began on March 4, 1789, and ended on March 4, 1791. We now look at its creation of the federal court system in the Judiciary Act of 1789, which was adopted on September 24, 1789. The backdrop for this legislation was Article III of the Constitu...
In 1860, seven central Missouri counties in the area known as “Little Dixie” had slave populations of 25% or more; the geography of land along the river made it appropriate for cultivation of hemp, cotton, tobacco, and other crops demanding a high proportion of low-cost hand labor. Unlike the southern portions of Misso...
All the words in the English language are divided into nine great classes. These classes are called the Parts of Speech. They are Article, Noun, Adjective, Pronoun, Verb, Adverb, Preposition, Conjunction and Interjection. Of these, the Noun is the most important, as all the others are more or less dependent upon it. A ...
AER-12A Two Gaul Warriors Charging, dramatically! The Gauls were Celtic peoples inhabiting Gaul in the Iron Age and the Roman period (roughly from the 5th century BC to the 5th century AD). The Gauls emerged around the 5th century BC as the bearers of the La Tène culture north of the Alps (spread across the lands betwe...
Soils are a double-edged climate sword. They are huge reservoirs of organic carbon and can act as a carbon sink. But they can also release CO2 into the atmosphere when used unsustainably. Author: Irene Banos Ruiz \| Published: February 6, 2018 Forests are often called the lungs of the planet because of the way they “bre...
The definitive architectural style on Capitol Hill is neoclassical, inspired by the use of ancient Greek and Roman styles in the design of great public buildings. These styles are recognized by the use of tall columns, symmetrical shapes, triangular pediments and domed roofs. Neoclassical architecture style encompasses...
Straight line graphs. How to plot a sloping line in math using a table of values. The easiest way to plot a line graph (a sloping line) is to use a table of values, which can also be called a coordinate table. All you need to do is to pick some x coordinates (at least 3, as 2 is not a good idea!), and use your formula ...
You’ve set the tests and graded the scripts. What next? Dr Lee Ong Kim explains the finer points of assessment and tells us what to look out for when testing our students. Q: Why is it important to have a proper assessment system in schools? We all know that the whole idea of teaching and learning in schools is for stu...
Social skills are the skills we use to communicate and interact with each other, both verbally and non-verbally, through gestures, body language, and our personal appearance. Children that struggle with day-to-day interactions such as initiating conversation and reading social cues can benefit from working on their soc...
There is scope for clarifying characteristics that distinguish small towns in the Middle Ages both from larger and lesser settlements and from each other. This will involve investigating their economy, their role in their area and their social structure and government. The topic of urban decline in the period has been ...
In this lesson students are introduced to the key media literacy concept that media are constructions that re-present reality and consider how representations of crime in news and entertainment media may influence how we perceive members of particular groups. “Scripting a Crime Drama” is intended to follow lesson two o...
If it has been a while since your high-school botany lessons, you may be unfamiliar with a lesser-known flower part -- the calyx. Overshadowed by more recognizable structures, such as flower petals and stems, the calyx is still an important part of most flowers. It wraps an unopened flower bud like a gift and unwraps i...
Dengue fever is a mosquito-borne disease that's becoming more of a problem around the world. The range of dengue-carrying mosquitoes has spread from tropical into sub-tropical areas. And some countries have had ongoing dengue outbreaks that have made tens of thousands of people According to Duke University scientist Ma...
There are two types of worksheets. - The standard worksheets that contains cells. - Chart sheets which contain only graphs. ROWS AND COLUMNS Every standard worksheet layout consists of Rows and Columns. Rows numbered from 1 to 1,048,576 aligned on the left of the worksheet. Columns labeled A through XFD aligned along t...
Did you know that good personal hygiene is one of the most effective ways to protect yourself, and others, from illness? Often we mistake the word hygiene for cleanliness but in reality hygiene goes beyond that. It is a set of practices that you must perform to preserve your health, it includes lifestyle, premises and ...
Steve Graham and Michael Hebert’s 2010 research paper identifies three main practices that strengthen students’ reading skills through writing. They are: - Have students write about what they have read. - Respond to a text in writing such as writing personal reactions, analyzing and interpreting the text. - Write a sum...
It is crucial to realize that the phenomenon of a “reference junction” is an inevitable effect of having to close the electric circuit loop in a circuit made of dissimilar metals. This is true regardless of the number of metals involved. In the last example, only two metals were involved: iron and copper. This formed o...
Modeling writing for young learners Young children in grades K-2 are usually considered “pre-writers”—just learning to write letters, words, and groups of words. Their writing experience should be fun! After all, isn’t our goal is to help our primary-age children build confidence as they gain the ability to write? Dail...
Seed spacing may vary due to planter errors, poor planter maintenance, or seed germination problems. Average plant spacing and standard deviation of plant spacing are often used to determine plant spacing accuracy. Having only an average of plant to plant spacing is not a good measure of what is present in the field, b...
A young girl saw a black and white movie on TV did a double take. Used to the world of color and colorization, she was uneasy when she saw the actors in a gray world. "It looks funny," she said. "It makes me sad." Challenge your child’s imagination by asking her to contemplate her feelings and associations with color. ...
Air travel in Australia is a massively popular activity nowadays. As of 2015, Australian airports… What is whooping cough? Whooping cough, also known as pertussis, is a very contagious childhood disease that causes inflammation in the respiratory tract. Whooping cough mostly affects children under two years of age, but...
Words can be printed with the command print. The words need to be placed within quotes. We will use single quotes, although double quotes also work. Here is how to print one word: print('mathematics'); // single quotes print("mathematics"); // double quotes Here is how to print a whole sentence, all at once: print('Mat...
Immigration in the Early 20th Century The Triangle Shirtwaist Company Fire, 1911 A majority of the immigrants that landed on America's shores made their way to the tenement sections of the teeming cities of the Northeast. Often illiterate and with a limited knowledge of English, they found jobs wherever they could, oft...
Learning to talk is a very complex process. Infants begin learning to talk before they are born. They are hearing voices and noticing the tone, timbre, and volume of those voices. When the child is born, he can identify and will turn his head toward the sound of his mother's and father's voices, distinguishing them fro...
Although fracking itself can cause earthquakes, they are smaller and less frequently felt than earthquakes produced from underground injection control wells. A study in Seismological Research Letters found that fracking was the likely culprit of hundreds of small tremors in Ohio during 2013; another Ohio-based study th...
“The colony of Georgia was truly the vision of James Edward Oglethorpe. His plan to use the new colony as a haven for people in debtors prison grew out of his committee work while a member of Parliament. Although Oglethorpe did not conceive the idea, he did seize it and attempted to act upon it. However, by the time he...
In today’s class we reviewed some examples of common forces encountered in problems and took note of some of the things to keep in mind when working with these forces. The common forces that we covered included: - Gravitational force - Frictional forces - Normal force - Applied forces One of the key elements that we di...
species or exotic species, are species that have been introduced into an area from a different geographical region. These species are not endemic to the region. They can be beneficial, or they can be harmful, depending on how they interact with the ecosystem of the place they have been introduced to. In some areas, non...
When the first dinosaurs were roaming on land, creatures across the world's oceans were suffering a slow demise. A recently discovered fossil bed in Canada has revealed how creatures suffocated in low-oxygen seas. As a result, vast numbers of species died. At one site in western Canada, many of them died quickly, sinki...
Spacing learning and providing worked examples Part of effective teaching is helping students retain what they have learned over the course of the school year and beyond. Research shows that we can reduce the rate at which material is forgotten by re-exposing students to key concepts and facts on at least two occasions...
We've all seen the various depictions of the first Thanksgiving supper, Indians in their feathered headdresses and loincloths and Pilgrims in the black-and-white costumes that we've come to believe that they wore. From television and film, to the local elementary school's Thanksgiving pageant, re-enactments of the orig...
A common misperception is that the Jews were forced into the diaspora by the Romans after the destruction of the Second Temple in Jerusalem in the year 70 A.D. and then, 1,800 years later, suddenly returned to Palestine demanding their country back. In reality, the Jewish people have maintained ties to their historic h...
Sound-activated devices all have a microphone, usually a small one. The function of a microphone is to register the presence of sound waves in the immediate surrounding area and then convert the sound wave to an electronic signal. In digital recording, for instance, the microphone sends the electronic signal to a compu...
Some advantages of the discussion method are that it puts more emphasis on learning than teaching, encourages student participation, encourages democratic thinking, enhances reflective thinking, helps improve self-expression and nurtures the spirit of tolerance. The discussion method also makes learning interesting by ...
The nucleolus is a prominent sub-nuclear structure that is not bound by a membrane and resides within the nuclear matrix. Though known to exist since the eighteenth century, the primary function of the nucleolus was not discovered until the 1960s. It is now been determined that nucleoli manufacture the subunits that co...
Democracy, as practiced in ancient Athens, consisted of direct citizen participation in government through collective membership in a single, sovereign assembly, which united all three functions of government: executive, legislative and judicial. A similar combination of powers was tried in the revolutionary France of ...
Commas, semicolons, and colons. The good news about these punctuation marks is that there is a clear set of rules telling you when to use them, where, and why. The bad news is that knowing the rules alone aren’t enough to know how to apply them. We need to understand deeper issues of sentence structure to fully underst...
Key Concepts of the Philosophy of Gottfried Leibnitz Gottfried Leibnitz was a late 17th century mathematician and philosopher. His greatest contribution to modern thought was his contributions to the development of calculus, which he worked on independently of Isaac Newton. As a philosopher, Leibnitz was one of the mos...
Ancient Greek Democracy: Around the year 1000 BC in the area in which current Greece is situated today, after a long and hard battle the very first city-state had started to rise. Hence this resulted in the division of Greece into the Achaian part which was Arcadia, the Doric part which was Sparta and finally the Ionic...
Big Idea:Once students understand that equations can be simplified to one solution, no solution, or infinitely many solutions, they can start to make sense of an equation's structure that cause these varying results. Big Idea:Students analyze equations from the previous day's lesson to identify specific features that s...
Mohorovicic discontinuity, also known as moho discontinuity is the boundary between Earth's Crust and its Mantle. The moho lies at the depth of 30-50 km below the continents and 5-10 km below the sea level in the ocean. It is defined by the discontinuous changes in the velocity of seismological waves as they pass throu...
Research from McGill University reveals that the brain’s motor network helps people remember and recognize music that they have performed in the past better than music they have only heard. A recent study by Prof. Caroline Palmer of the Department of Psychology sheds new light on how humans perceive and produce sounds,...
The events that brought about the Balkan Wars of 1912 and 1913 can be found in the political, economic, and social developments of Greece and her Balkan neighbors, it is as much a product of geo-politics as it is an attempt by the Great Powers to orchestrate the outcomes and future of all the nations involved. Greece h...
The effects of poor sleep can include changes in mood and thinking difficulty, which can be bothersome, but for years, people have thought that missed sleep every now and then is nothing to worry about. However, research is now starting to suggest that individuals who typically get less than six hours of sleep per nigh...
Posted on: Oct 16, 2012 About 4.6 billion years ago, the solar system was little more than a tenuous disk of gas and dust. In the span of merely 10 million years, this soup evolved to form today’s massive, complex planets. In the intervening period, however, the solar system contained a mixture of intermediary bodies —...
What if we could develop a vaccine to treat cancer? Vaccines have been an effective method to help eradicate many diseases since their discovery, and serve a key role in keeping people healthy. The most common use for a vaccine is to prevent disease. However, they can also be useful in treating individuals already diag...
Reflecting on Anti-Bias Education in Action Anti-bias education places diversity and equity goals at the heart of everything we do in early childhood. We begin by affirming each child and family’s social identities and cultural ways of being. Building on the strengths and knowledge children bring to school, anti-bias t...
Earth and Venus travel around the Sun in neighboring orbits and both are rocky planets about the same size, but there the similarities end—at least in how the two worlds exist today. Venus’ desiccated surface roasts at nearly 900 degrees Fahrenheit beneath an opaque and crushing atmosphere over 90 times denser than Ear...
Republican impotence in the face of the Great Depression had resulted in a shift in traditional party allegiance. The implementation of FDR's New Deal, that had benefited millions of voters, created a realignment of political views. This enabled FDR to construct a new political coalition, referred to as the New Deal Co...
Neutron scattering is a non-destructive way to look at ancient artefacts and fossils without having to break into them or damage them in any way. Consequently, ISIS and ILL are frequently used in heritage science You can find out more about the heritage science work carried out at ISIS. Neutron scattering offers a non-...
The life science industry represents Agilent’s fastest-growing market opportunity, and microarrays are one of our most prominent technology platforms. But in order to explain microarrays, I first need to talk about the machinery in our cells. I use the term “machinery” on purpose. Consider a slightly out-of-date, numer...
𝐴𝐵𝐶𝐷 is a parallelogram with the vector 𝐴𝐵 having components negative one, one, three and the vector 𝐴𝐷 having components three, four, one. Find the area of 𝐴𝐵𝐶𝐷. Give your answer to one decimal place. We’re told in the question that 𝐴𝐵𝐶𝐷 is a parallelogram. So let’s draw it. Here’s our parallelogram. N...
On this Juneteenth, we must confront the impacts of racism dating back to the founding of the United States with the slave trade of Black people brought from Africa, Jim Crow segregation, and policies that continue to this day that cause wealth inequality, disinvestment in Black communities, police violence, mass incar...
STEM Sessions: Term 2, 2017. Stage 1 (Grades 1 and 2) Our unit this term is all about the "places and spaces" in our local environment. What "spaces" does a home need? How is your own home designed? How could it be improved? What is a classroom for? What does it need to do? Let's think about designing one for STEM! We ...
Juvenile myoclonic epilepsy is a condition characterized by recurrent seizures (epilepsy). This condition begins in childhood or adolescence, usually between ages 12 and 18, and lasts into adulthood. The most common type of seizure in people with this condition is myoclonic seizures, which cause rapid, uncontrolled mus...
Estimates and Fermi Calculations By the end of this section, you will be able to: Estimate the values of physical quantities. On many occasions, physicists, other scientists, and engineers need to make estimates for a particular quantity. Other terms sometimes used are guesstimates, order-of-magnitude approximations, b...
#AceHistory2ResearchNews – When US military codes kept being broken by the Germans in WW1 a Native American tribe came to the rescue. They just spoke their own language – which baffled the enemy – and paved the way for other Native American “code talkers” in WW2. It’s an irony that probably didn’t go unnoticed by Choct...
Fires raging in Indonesia. Fisheries collapsing off Peru. Delayed monsoon rains over India. Floods and mosquito-borne disease outbreaks in South America. Epic drought and mass migrations in southern Africa. Once an El Niño is declared, it seems every extreme weather-related event in the world is blamed on this phenomen...
Friday 8th January 2021 LO: To use relative pronouns throughout complex sentences. What is a pronoun? Repetition is when something that is said or written is used over and over again, for example: Gary ate supper when Gary got home. Gary enjoyed his food. After its first use, instead of repeating 'Gary', we could repla...
Protein synthesis is the process of transferring information from a gene to a protein. DNA (Deoxyribonucleic acid) is made up of four main parts of adenine, thymine, guanine, and cytosine, and RNA (Ribonucleic acid) is made up of adenine, uracil, guanine, and cytosine. DNA is a double, helical nucleic acid molecule cap...
Notions of hearth and home are fundamental to our conception of humanity, stretching as far back to prehistoric civilization. Excavations at Wonderwerk Cave in South Africa’s Kalahari Desert have led researchers to determine that a cave held human occupants as long as two million years ago, making it the world’s oldest...
Cells of the human body exhibit three main types of movements, namely, amoeboid, ciliary and muscular. Some specialised cells in our body like macrophages and leucocytes in blood exhibit amoeboid movement. It is effected by pseudopodia formed by the streaming of protoplasm (as in Amoeba). Cytoskeletal elements like mic...
Falls, blows to the head, sports injuries, and even listening to loud music can cause hearing damage, which can affect hearing and balance. This is because the ears not only help us to hear but also to maintain our stability. We need to hear well to develop and use our speaking and listening skills and social skills. E...
“Except”, as a preposition, means “not including” or “other than”. It’s a very useful word, helping people to express in/out category relationships and exclusions. Among other things, it helps people to qualify their generalisations (“I don’t eat ice-cream, except on Sundays.”) and to express their thoughts and feeling...
According to the theory of evolution, an organism must adapt or die. Much like evolution, types of warfare and equipment must change. These changes must be made to ensure survival of the organism, which in this analogy, is an army. The army of the early Roman Republic understood this law and changed, or adapted, their ...
Why do this project? By writing about what they know and care about, children learn that they can use their expertise to inspire and awaken the minds and hearts of others. Children accumulate lots of information every single day. It is vital to their development as writers that they are given the opportunity to share t...
The Possum Problem in New Zealand The common Brushtail possum, not to be confused with the North American Opossum, was first introduced to New Zealand from Australia in the 1837 by European settlers who were hoping to establish a food and clothing source. In their native Australia, possums do not pose a threat, but in ...
Researchers at the University of California in San Diego, USA, have discovered how the environment surrounding a tumour can trigger the cancer cells to spread (metastasise). The researchers have published their findings in the journal, Nature Communications. The researchers found that when tumour cells are confined in ...
What is the solid Earth made of? Planet Earth is a rocky planet. It is made up of rocks and minerals. This sphere is called the “geosphere”. The Earth is made up of a number of elements. The interior of the Earth is quite different than the exterior (continental crust). The Earth can be compared to a hard-boiled egg. I...
Sparta’s women were known for their promiscuity and boldness . On account of Sparta’s strict militaristic lifestyle, their lives were very different compared to regular women in most city-states of Greece. Although their main job is still child-bearing, this job held much more honor and respect because in theory, a Spa...
The biodiversity of the bees developed over a period of more than 100 million years. In the Cretaceous, an earth age 144-65 million years ago, emerged the first flowering plants. About 100 million years ago, bees took over the pollination of many plants. Both bees and plants have changed over time for mutual benefit in...
The American Civil War took place from the year 1861 to 1865, and its occurrence is termed as the most lethal event that ever took place in American history. This war has been debated upon to be very significant among other events in the history of the United States. The war… Download file to see previous pages... The ...

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