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Business cycles
A. are each comprised of a recession and an expansion.
B. are always triggered by a financial crisis.
C. are the result of governmental fiscal policy.
D. occur infrequently in capitalist economies.
E. are the natural fluctuations in the price of goods and services.
F. refer to reusing resources in prod... | A |
The IP protocol is primarily concerned with
A. Routing packets through the network
B. Dealing with differences among operating system architectures
C. Reliable delivery of packets between directly connected machines
D. Coordinating the hardware components of the network
E. Controlling the power consumption of network ... | A |
A state has recently enacted a statute making it a misdemeanor for any person to smoke a cigarette, cigar, or pipe in any restaurant, bar, cafe, or other establishment within the state. A defendant was tried in state court for violating the anti-smoking statute. The prosecution's evidence consisted of testimony regardi... | D |
Tariffs and quotas
A. lower the amount of the product sold domestically.
B. result in lower domestic prices.
C. raise the amount of the product sold domestically.
D. sometimes raise and sometimes lower the amount of the product sold domestically.
Please provide a single-option answer along with a brief explanation. | A |
Nearsightedness results from
A. incorrect alignment of the cornea and retina
B. too little curvature of the cornea and lens
C. too little curvature of the iris and lens
D. too much curvature of the iris and cornea
E. too little curvature of the retina and lens
F. too much curvature of the cornea and lens
G. too much c... | F |
About how many molecules are there in 1 cm^3 of air and what is their average distance apart?
A. 2.5 × 10^19 molecules, 3.4 × 10^-7 cm
B. 2.0 × 10^19 molecules, 3.0 × 10^-7 cm
C. 3.5 × 10^19 molecules, 4.4 × 10^-7 cm
D. 4.5 × 10^19 molecules, 3.0 × 10^-7 cm
E. 3.0 × 10^19 molecules, 2.8 × 10^-7 cm
F. 2.0 × 10^18 molec... | A |
We are interested in the capacity of photographic film. The film consists of silver iodide crystals, Poisson distributed, with a density of 100 particles per unit area. The film is illuminated without knowledge of the position of the silver iodide particles. It is then developed and the receiver sees only the silver io... | F |
To determine the average cost of running for a congressional seat, a simple random sample of 50 politicians is chosen and the politicians' records examined. The cost figures show a mean of $125,000 with a standard deviation of $32,000. Which of the following is the best interpretation of a 90% confidence interval estim... | A |
Which of the following geometries corresponds to a substance that has five sigma bonds and one nonbonding pair of electrons?
A. Linear
B. Tetrahedron
C. Trigonal bipyramidal
D. Octahedron
E. Square pyramid
F. Trigonal planar
G. Trigonal pyramid
H. T-shaped
I. Bent
J. Square planar
Please provide a single-option answe... | E |
One of the reasons Adam Smith supported the Free Market was because he believed that what is good for the individual is good for the country. So, since everyone would like to choose what they want to buy, it must be good for the country to give everyone free choice. Identify the error in Smith's logic and give a counte... | I |
For the following signals, calculate theNyquistrate and the Nyquistinterval. (a) S_a(200t) (b)[S_a(200t)]^2
A. Nyquist rate for Sa(200t) is pi/200 cps and Nyquist interval is 400/pi sec, Nyquist rate for [Sa(200t)]^2 is 3pi/200 cps and Nyquist interval is 400/(3pi) sec
B. Nyquist rate for Sa(200t) is 50/(pi) cps and N... | D |
A supplier of ink for printers sent the following letter to all of its customers:"Closeout special! We have decided to no longer stock green ink cartridges. We have on hand a limited supply of green ink cartridges for all printers; when they're gone, they're gone! Please submit your orders as soon as possible to make s... | G |
Suppose the market price for corn drops from $1,00per bushel to $.75 per bushel. In reaction to this, the farmers decide to sell one third less corn to the market. Has the supply of corn to the market decrease?
A. Yes, the supply of corn to the market has decreased.
B. The supply of corn to the market remained the sam... | C |
Homo erectus was:
A. a hominid species that was completely herbivorous.
B. the first hominid to develop complex language.
C. a hominid species that lived primarily in trees.
D. the first hominid to make and use stone tools.
E. a stable, long-lived species.
F. an unsuccessful, short-lived species.
G. a species that coe... | E |
London dispersion forces are caused by
A. the uneven electron-to-proton ratio found on individual atoms of a molecule
B. the three-dimensional intermolecular bonding present in all covalent substances
C. the permanent dipoles created by the shape of the molecule
D. the strong nuclear forces within atomic nuclei
E. the... | F |
Frozen-core $\mathrm{SCF} / \mathrm{DZP}$ and CI-SD/DZP calculations on $\mathrm{H}_2 \mathrm{O}$ at its equilibrium geometry gave energies of -76.040542 and -76.243772 hartrees. Application of the Davidson correction brought the energy to -76.254549 hartrees. Find the coefficient of $\Phi_0$ in the normalized CI-SD wa... | D |
A point pole has a strength of 4π * 10^-4 weber. The force in newtons on a point pole of 4π * 1.5 * 10^-4 weber placed at a distance of 10 cm from it will be
A. N/A
B. 3.75 N.
C. 10 N.
D. 7.5 N.
E. 15 N.
F. 5 N.
G. 25 N.
H. 12.5 N.
I. 20 N.
J. N/A
Please provide a single-option answer along with a brief explanation. | E |
Liquid naphthalene normally freezes at 80.2°C. When 1 mole of solute is dissolved in 1000 g of naphthalene, the freezing point of the solution is 73.2°C. When 6.0 g of sulfur is dissolved in 250 g of naphthalene, the freezing point is 79.5°C. What is the molecular weight of sulfur?
A. 420 g / mole
B. 120 g / mole
C. 1... | G |
A company’s first IFRS reporting period is for the year ended December 31, year 2. While preparing the year 2 statement of financial position, management identified an error in which a $90,000 loss accrual was not recorded. $40,000 of the loss accrual related to a year 1 event and $50,000 related to a year 2 event. Wha... | H |
Using the Euler-Maclaurin summation formula ^\infty \sum_n=a f(n) = _a\int^\infty f(x)dx + (1/2) f(a) - (1 / 12)f'(a) + {1 / (720)} f"'(a) + ..., evaluate the rotational partition function at high temperatures.
A. q_rot = [T / (\sigma\Theta_rot)]
B. q_rot = [(\sigma\Theta_rot) / T]
C. q_rot = [T * (\sigma\Theta_rot)]
... | A |
How many centimetres must the cervix dilute to before a baby can be born?
A. 25
B. 35
C. 30
D. 20
E. 15
F. 8
G. 18
H. 12
I. 10
J. 5
Please provide a single-option answer along with a brief explanation. | I |
What is another way of writing-'six feet'?
A. 6 ft
B. 6feet
C. 6'
D. 6f
E. 6
F. 6ft
G. 6#
H. Six feet
I. Six'
J. 6''
Please provide a single-option answer along with a brief explanation. | C |
If the point $(3,6)$ is on the graph of $y=g(x)$, and $h(x)=(g(x))^2$ for all $x$, then there is one point that must be on the graph of $y=h(x)$. What is the sum of the coordinates of that point?
A. 27
B. 39
C. 21
D. 12
E. 9
F. 36
G. 15
H. 45
I. 13
J. 18
Please provide a single-option answer along with a brief explan... | B |
A resident of a state owned a large tract of virgin forest. The resident conveyed this tract "to the people of the state in fee simple so long as said tract shall remain in its natural state (with exception for recreational, scientific, or educational purposes). "Under state law, conveyances of real property to "the pe... | I |
Which one of the following represents a IIIrd cranial nerve palsy and is a neurosurgical emergency?
A. Oval shaped pupils.
B. Unilateral oval shaped pupil.
C. Unilateral constricted pupil.
D. Bilateral fixed dilated pupils.
E. Unilateral fixed dilated pupil.
F. Unilateral constricted and fixed pupil.
G. Unilateral non... | E |
A square metal plate of edge length $8.0 \mathrm{~cm}$ and negligible thickness has a total charge of $6.0 \times 10^{-6} \mathrm{C}$. Estimate the magnitude $E$ of the electric field just off the center of the plate (at, say, a distance of $0.50 \mathrm{~mm}$ from the center) by assuming that the charge is spread unif... | B |
Compute (1 / 3) % of 1,109.
A. 7.218
B. 5.0948
C. 1.109
D. 11.09
E. 0.553
F. 2.8145
G. 0.3697
H. 3.6597
I. 4.219
J. 6.993
Please provide a single-option answer along with a brief explanation. | H |
Suppose that aluminum is a key production input in the production of bicycles. If the price of aluminum falls, and all other variables are held constant, we expect
A. the supply of bicycles to rise.
B. the supply of aluminum to rise.
C. the demand for bicycles to rise.
D. the demand for aluminum to rise.
E. the supply... | A |
A ladder 9 meters in length is leaning against a vertical wall on level ground. As the bottom end of the ladder is moved away from the wall at a constant rate of 2 meters per second, the top end slides downward along the wall. How fast, in meters per second, will the top end of the ladder be sliding downward at the mom... | G |
Five years ago, a computer that worked half as fast as a current computer cost twice as much money. The current computer's speed to price ratio is what percent of the older computer's speed to price ratio?
A. 100
B. 20
C. 500
D. 300
E. \frac{1}{2}
F. \frac{2}{5}
G. 400
H. 50
I. 32
J. 200
Please provide a single-optio... | G |
In transactions between merchants, what is not true about additional terms proposed in the acceptance?
A. They become part of the contract only if the offeree does not object within a reasonable time.
B. They become part of the contract only if the additional terms are in writing.
C. They become part of the contract o... | J |
The population pyramid of a population that has had a slightly larger birth rate than death rate for several generations will most likely have which of the following shapes?
A. Having parallel sides
B. Bulging at the top
C. Even width from bottom to top
D. Narrow at the top and wide in the middle
E. Bulging in the mid... | G |
Black-headed gulls remove broken eggshells from their nests immediately after the young have hatched. Explain the biological significance of this behavior.
A. Eggshells are removed to make space for more eggs to be laid in the same season
B. Eggshell-removing behavior is significant in that it reduces the chances of a... | B |
The tandem back-and-forth evolution of closely related species, which is exemplified by predator-prey relationships.
A. Parallel evolution
B. Microevolution
C. Convergent evolution
D. Coevolution
E. Speciation
F. Divergent evolution
G. Macroevolution
H. Adaptive radiation
I. Punctuated equilibrium
J. Gradual evolution... | D |
Suppose that we are interested in testing the null hypothesis that a GARCH(2,2) model can be restricted to a process with a constant conditional variance using the likelihood ratio test approach. Which of the following statements are true?
A. If the relevant values of the log-likelihood functions are -112.3 and -118.4... | A |
Consider the formation ofethylcyclohexane(C_8H_16) C_8H_10(l) + 3H_2(g) = C_8H_16\DeltaH298°K= - 48.3 kcal and C_8H_8(l) + 4H_2 (g) = C_8H_16\DeltaH_298°K = - 74.65 kcal . Given that at 298°K, the heats of combustion of C_8H_16 to water vapor and CO_2 is - 1238.23 kcal/mole, and the heats of formation of water vapor an... | E |
Rawls claims that students with fewer native assets (such as intelligence) should be given:
A. less attention and fewer resources than those with more native assets.
B. access to only basic education.
C. entirely different educational resources than those with more native assets.
D. educational resources based on thei... | H |
Severe acute malnutrition in young children is defined as:
A. Height-for-age Z score <-3 or weight-for-height Z score <-3 or oedema
B. Weight-for-age Z score <-2 or height-for-age Z score <-2 or oedema
C. Weight-for-height Z score <-3 and oedema
D. Height-for-age Z score <-2 or weight-for-height Z score <-2 and oedem... | A |
In a certain region, the electric field varies with the radius away from origin by the equation Er = –6r^2 + 4r + 3, where r is given in meters and E in N/C. The potential difference between the origin and the point (3, 4) is
A. 150 V
B. –165 V
C. 185 V
D. –100 V
E. 250 V
F. 100 V
G. –200 V
H. 75 V
I. –120 V
J. 64 V
... | C |
What do we mean when we say that the farm problem may be cor-rectly envisioned as a problem of resource misallocation?
A. Suboptimal use of agricultural technology
B. Fluctuations in global commodity prices
C. Overproduction and wastage of crops
D. Lack of alternative employment
E. High tariffs on agricultural imports... | I |
Behavioral treatments for depression typically include:
A. Isolation therapy
B. Medication only
C. Flooding
D. Regressive therapy
E. Sleep deprivation
F. Increasing pleasurable activities
G. Aromatherapy
H. Hypnosis
I. Exposure and Response Prevention
Please provide a single-option answer along with a brief explanati... | F |
The flux of visible photons reaching Earth from the North Star is about $4 \times 10^3 \mathrm{~mm}^{-2} \mathrm{~s}^{-1}$. Of these photons, 30 per cent are absorbed or scattered by the atmosphere and 25 per cent of the surviving photons are scattered by the surface of the cornea of the eye. A further 9 per cent are a... | C |
Using the following ionic radii, find the fractional void volume in (a)CsCl, (b)NaCl, (c)LiCl. Assume that the ions are hard spheres in contact. Ion Radius, \AA Li^+ 0.60 Na^+ 0.95 Cs^+ 1.69 Cl - 1.81 InCsClthe positive ions and the negative ions each comprise a simple cubic lattice. Each ion has eight oppositely charg... | H |
A correlation of 0.6 indicates that the percentage of variation in y that is explained by the variation in x is how many times the percentage indicated by a correlation of 0.3?
A. 0.5
B. 1.5
C. 3
D. 8
E. 6
F. 0.2
G. 5
H. 2
I. 4
J. 2.5
Please provide a single-option answer along with a brief explanation. | I |
y_11 = 0.25 mho, y_12 = - 0.05 mho, y_22 = 0.1 mho. Find the z-parameters.
A. z_11 = 4.44 \Omega, z_12 = z_21 = 2.22 \Omega, z_22 = 22.2 \Omega
B. z_11 = 11.1 \Omega, z_12 = z_21 = 4.44 \Omega, z_22 = 22.2 \Omega
C. z_11 = 2.22 \Omega, z_12 = z_21 = 4.44 \Omega, z_22 = 11.1 \Omega
D. z_11 = 5.55 \Omega, z_12 = z_21 = ... | I |
Most of the free fatty acids are transported in the blood:
A. in the form of cholesterol.
B. bound to white blood cells.
C. combined with glucose.
D. as triglycerides.
E. combined with oxygen.
F. as free molecules.
G. as lipoproteins.
H. attached to hemoglobin.
I. inside the red blood cells.
J. bound to albumin.
Plea... | J |
Zoey is laying bricks for her patio. The salesman wants to sell Zoey as many bricks as possible to cover her patio with a thickness of one brick, while not having any extra bricks. The patio area is a rectangle with dimensions 12 feet by 10 feet, and each individual brick is 4 inches by 6 inches by 2 inches. What would... | G |
The owner of a test prep company sent an advertisement regarding the company's review courses to a local newspaper. In an accompanying letter, the owner instructed the newspaper to publish the ad in an upcoming edition. The ad was received by the newspaper's advertising editor. The next day the editor phoned the owner ... | C |
A certain reaction is nonspontaneous under standard conditions, but becomes spontaneous at higher temperatures. What conclusions may be drawn under standard conditions?
A. ΔH > 0, ΔS > 0 and ΔG = 0
B. ΔH > 0, ΔS = 0 and ΔG > 0
C. ΔH = 0, ΔS < 0 and ΔG > 0
D. ΔH < 0, ΔS < 0 and ΔG = 0
E. ΔH > 0, ΔS < 0 and ΔG > 0
F. ΔH... | H |
A new sofa, valued at $547.50 was purchased on the installment plan with a 20% down payment, and the remainder to be paid off in 36 months. If 20% of the unpaid balance was added on as a service charge, what was the amount of each of the monthly payments?
A. $14.60
B. $13.60
C. $22.60
D. $19.60
E. $20.60
F. $16.60
G. ... | A |
Current life expectancy in the United States is about
A. 85
B. 68
C. 70
D. 88
E. 82
F. 72
G. 76
H. 75
I. 78
J. 80
Please provide a single-option answer along with a brief explanation. | I |
What hormonal changes occur during the delivery of an infant (parturition)?
A. The secretion of relaxin decreases to tighten the connections between the bones of the pelvis
B. Adrenaline levels decrease to allow for muscle relaxation and dilation of the cervix
C. Growth hormone levels peak to enhance uterine muscle co... | F |
Find the characteristic of the ring Z x Z.
A. 30
B. 4
C. 1
D. 12
E. 0
F. 2
G. 5
H. 3
I. 20
J. 10
Please provide a single-option answer along with a brief explanation. | E |
Nancy has the choice to spend one hour studying for an exam, mowing the lawn for one hour at a wage of $6, or babysitting her niece for one hour at a wage of $8. If we know that Nancy has chosen to study for the exam, which of the following is true?
A. Nancy is indifferent to both studying and mowing the lawn.
B. Nanc... | H |
Describe and explain the two most common types of functionalpsychoses.
A. Autism spectrum disorder and Attention-deficit/hyperactivity disorder
B. Dissociative identity disorder and Borderline personality disorder
C. Eating disorders and Somatoform disorders
D. Bipolar disorder and Depression
E. Anxiety and Obsessive-... | J |
Cerebrospinal fluid circulates around the brain between the
A. skull and arachnoid mater.
B. pia mater and skull.
C. dura mater and brain surface.
D. pia mater and brain surface.
E. arachnoid mater and dura mater.
F. dura mater and arachnoid mater.
G. arachnoid and pia maters.
H. skull and dura mater.
I. dura mater an... | G |
In a faulty analogy, the things being compared are...
A. Complete opposites
B. Similar in some ways, different in others
C. Sufficiently similar
D. Completely dissimilar in all ways
E. Not sufficiently similar in relevant ways
F. Completely unrelated in any way
G. Different in appearance, but similar in function
H. Si... | E |
Determine the spacing of the planes (111) forCsBrwith CsBr with a = 7.28°A. a = 7.28°A.
A. 53.00°A
B. 6.15° A
C. 7.28°A
D. 3.64° A
E. 5.00° A
F. 8.50° A
G. 9.76° A
H. 4.20°A
I. 1.732°A
J. 2.14° A
Please provide a single-option answer along with a brief explanation. | H |
The color of a pixel can be represented using the RGB (Red, Green, Blue) color model, which stores values for red, green, and blue, each ranging from 0 to 255. How many bits (binary digits) would be needed to represent a color in the RGB model?
A. 32
B. 12
C. 56
D. 24
E. 72
F. 128
G. 16
H. 64
I. 48
J. 8
Please provid... | D |
An 11-liter flask contains 20 g of neon and an unknown weight of hydrogen. The gas density is found to be 0.002 g/cc at 0°C . Calculate the average molecular weight and the number of grams of hydrogen present, and also the pressure. The atomic weight of neon is 20 g/mole.
A. 0.5 gm of hydrogen, 9.5 gm/mole, 2.9 atm
B.... | H |
A table supports a wooden block placed on the tabletop. Which fundamental force of nature is responsible for this interaction, and why?
A. The gravitational force, because by F = GMm/r^2, the force of the table on the wood at that close range is sufficient to balance the force of the Earth on the wood.
B. The strong n... | H |
One gram of water (1 cm^3) becomes 1671 cm^3 of steam when boiled at a pressure of 1 atm. The heat of vaporization at this pressure is 539 cal/gm. Compute the external work and the increase in internal energy.
A. External work: 1671 cal, Increase in internal energy: 539 cal
B. External work: 539 cal, Increase in inter... | E |
How much energy is required to break up a C^12 nucleus into three \alpha particles?
A. 3.6 MeV per \alpha particle
B. 12.007809 AMU
C. 13.6 eV
D. 0.007 809 AMU
E. 92.15 MeV
F. 28.30 MeV
G. 25.711 MeV
H. 7.274MeV
I. 0.5 MeV
J. 931.481MeV/AMU
Please provide a single-option answer along with a brief explanation. | H |
A source particle executing a periodic motion defined by y = 6 sin\pitsends out waves which travel through a homogeneous medium at the rate of 6 cm per second. Find the displacement of a second particle 80 cm from the source one minute after the source began to vibrate. (Assume the medium to be of one dimension alike a... | I |
In BASIC the RND function is used to generate a random number between 0 and 1. What statements would you use to: (a) generate integral random number between 0 and X - 1? (b) generate integral random number between 1 and X? (c) simulate the toss of a cubical die? (d) simulate a binary random choice taking values 1 or 2?... | E |
What are the rules regarding the specification of a procedure?
A. Procedures require a start statement but do not have a specific ending requirement; they terminate when the program execution completes.
B. Procedure blocks must be written in a separate file from the main program and are included during compilation.
C.... | J |
If consumption for a household is $5000, savings are $3000, and$2000 is paid out in taxes,a) What is the personal income? b) What is the disposable income?
A. Personal income: $9000, Disposable income: $7000
B. Personal income: $9000, Disposable income: $6000
C. Personal income: $10,000, Disposable income: $7000
D. Pe... | E |
If c > 0 and f(x) = e^x - cx for all real numbers x, then the minimum value of f is
A. f(-c)
B. f(c^2)
C. f(2c)
D. f(0)
E. f(e^-c)
F. f(sqrt(c))
G. f(e^c)
H. f(log c)
I. f(c)
J. f(1/c)
Please provide a single-option answer along with a brief explanation. | H |
All of the following play an important role in regulating respiration in humans EXCEPT
A. strenuous exercise
B. a decrease in the plasma pH level
C. an increase in the amount of CO2 in the blood
D. a decrease in the amount of O2 in the blood
Please provide a single-option answer along with a brief explanation. | D |
If the height of a water column is 600 mm, what will be the height of the mercury column?
A. 160 mm Hg
B. 32.2 mm Hg
C. 136 mm Hg
D. 750 mm Hg
E. 44.1 mm Hg
F. 13.6 mm Hg
G. 80.0 mm Hg
H. 56.3 mm Hg
I. 225 mm Hg
J. 600 mm Hg
Please provide a single-option answer along with a brief explanation. | E |
A sling-psychrometerreads 85°F DBT and 65°F WBT (DBT = Dry bulb temp., WBT = Wet bulb temp.). Calculate the following: (a) Specific humidity (b) Relative humidity (c) Dew point temperature. Assume atmospheric pressure to be 14.7psia.
A. Specific humidity = 0.0075lbmwater/lbmdry air, Relative humidity = 50%, Dew point ... | H |
An owner had a record store in the downtown business area of a city. A famous rock group was scheduled to perform at the local civic center and the owner featured the band's records in a special sale for the two weeks prior to the concert. In order to promote his sale, the owner installed loudspeakers on the outside of... | A |
An object of height 5cm is placed 10 cm in front of a convex mirror that has a radius of curvature of 45.0 cm. Determine the magnification of the image.
A. 0.5
B. 0.8
C. 1.5
D. 2.5
E. 1.2
F. -1.8
G. 3.0
H. 1.0
I. 1.8
J. 2.0
Please provide a single-option answer along with a brief explanation. | I |
When a nucleus of uranium-238 emits an alpha particle, left behind is
A. thorium-234
B. thorium-242
C. polonium-218
D. radium-226
E. radium-230
F. uranium-234
G. lead-210
H. uranium-236
I. radium-214
J. thorium-238
Please provide a single-option answer along with a brief explanation. | A |
What is the pH of a solution made by dissolving 0.0300 mol of sodium ethanoate in enough water to make 50 mL of solution (Ka for ethanoic acid is 1.8 × 10^-5)?
A. 9.26
B. 4.74
C. 10.04
D. 2.5
E. 7
F. 12.8
G. 8.15
H. 5.5
I. 11.02
J. 6.44
Please provide a single-option answer along with a brief explanation. | A |
To produce a minimum reflection of wavelengths near the middle of the visible spectrum (550 m\mu), how thick a coating of MgF_2 (n = 1.38) should be vacuum-coated on a glass surface?
A. 250 mμ or 2.5 × 10^-5 cm
B. 125 mμ or 1.25 × 10^-5 cm
C. 150 m\mu or 1.5 × 10^-5 cm
D. 300 mμ or 3.0 × 10^-5 cm
E. 50 m\mu or 0.5 × 1... | H |
When a patient complains to the doctor about a certain set of symptoms, the doctor diagnoses the patient with Condition A 15% of the time. If a patient with these symptoms is diagnosed with Condition A, he or she is diagnosed with Condition B 70% of the time. A patient with these symptoms that is not diagnosed with Con... | F |
All of the following contribute to lower voting rates among Americans in the 18-to-25 age bracket EXCEPT
A. the belief that their vote will not make a difference
B. the fact that voting is not mandatory
C. the fact that the minimum voting age in some states is 21
D. an inability to get to polling locations
E. difficul... | C |
Which of these has NOT been one of the main hypotheses considered for the origin of the Moon?
A. The Moon was created from a giant impact with another celestial body.
B. The Earth and Moon co-accreted in the solar nebula.
C. The Moon was created by an ancient alien civilization.
D. The Moon was captured into Earth orb... | F |
AssumingpD= - log [D_3O^+] in analogy to pH, what ispDof pure D_2O? K = 2 × 10^-15.
A. 7.00
B. 7.45
C. 9.35
D. 8.35
E. 6.85
F. 8.00
G. 7.25
H. 8.15
I. 7.35
J. 6.35
Please provide a single-option answer along with a brief explanation. | I |
A person suffering from a skin rash finds her pain is temporarily relieved by vigorous scratching. She does not perceive the pain from the rash while she is scratching, but the pain returns soon after she stops scratching. Which concept best explains this temporary pain relief?
A. opponent-process theory
B. gate-contr... | B |
What is an experimental control? Why is it important tohave experimentalcontrol?
A. An experimental control is a tool for manipulating variables
B. An experimental control is the process of repeating experiments to ensure accuracy
C. An experimental control is a data collection method
D. An experimental control is a s... | F |
Jess scored 18 points during her last basketball game. Each basket she made was worth 2 points. How many baskets did she make?
A. 9
B. 16
C. 12
D. 6
E. 20
F. 8
G. 18
H. 5
I. 36
J. 10
Please provide a single-option answer along with a brief explanation. | A |
Calculate the minimum depth at which water pipes have to bepositioned below the ground surface to avoid freezing in a geographicalarea with a mean winter temperature of 7°C andif the temperature of ambient air suddenly drops to - 8°C and remains there for a maximum period of 60 hrs.
A. 27.9 cm
B. 35.6 cm
C. 15.2 cm
D.... | G |
Which of the following statements about protein synthesis is correct?
A. The RNA formed by transcription of DNA undergoes no modifications to form mRNA.
B. Only one strand of DNA is transcribed to form rRNA.
C. All the information in DNA codes for proteins
D. Proteins are formed directly from DNA without the need for... | I |
Why is it that in the United States, labor constitutes the singlemost important factor of production?
A. Labor is the only factor that can be improved through education
B. Labor constitutes most of an individual's lifetime income
C. Labor is not directly linked to an individual's income
D. Labor is the most flexible a... | B |
The best conclusion that can be drawn about the four-day ( compressed) workweek is that it has:
A. negative effects on attitudes but positive effects on productivity.
B. positive effects on productivity but little or no impact on attitudes.
C. positive effects on attitudes but little or no impact on productivity.
D. n... | C |
A heavyset man with long red hair robbed a liquor store. Thereafter, a man was arrested and charged with the armed robbery. At the man's trial, the owner of the liquor store was called to testify. He admitted that he was unable to identify the man, who now had a shaven head, as the robber. The prosecuting attorney then... | H |
According to Kubler-Ross, when a terminally ill patient is informed of his/her condition, the patient's initial reaction will likely be
A. “If you help me, God, I’ll reform my life!”
B. "I knew this was coming."
C. "I'll fight this and win."
D. "I don't believe in terminal illnesses."
E. "I'm not scared, I'm ready."
F... | J |
A system consisting of $82.5 \mathrm{~g}$ of liquid water at $300 . \mathrm{K}$ is heated using an immersion heater at a constant pressure of 1.00 bar. If a current of $1.75 \mathrm{~A}$ passes through the $25.0 \mathrm{ohm}$ resistor for 100 .s, what is the final temperature of the water?
A. 340$\mathrm{~K}$
B. 325$\... | C |
Which of the following adaptations would limit pollination by bees and promote hummingbird pollination?
A. Patterns of ultraviolet color on the petals
B. Nectar with high sugar concentration produced in limited amounts
C. Modified petals to provide a landing space
D. Small, white, night-blooming flowers
E. Bright blue... | H |
At a bus station, buses begin their routes at 6:00 a.m. The schedule for two of the buses is based on the time intervals listed below.
* Bus A has a long route and leavesthe station every 75 minutes.
* Bus has a short route and leaves the station every 15 minutes.
What is the next time Bus A and BusB will leave the bus... | F |
Current estimates of how many people exercise on a regular basis suggest that _____ do
A. Less than 70%
B. Less than 25%
C. Less than 80%
D. Less than 10%
E. More than 75%
F. More than 90%
G. More than 80%
H. More than 50%
I. Exactly 50%
J. Less than 50%
Please provide a single-option answer along with a brief explan... | J |
The fossil evidence indicates that by 1.8 million years ago, a new hominid known as _______ had evolved.
A. Australopithecus afarensis
B. Homo heidelbergensis
C. Homo naledi
D. Neanderthals
E. Homo neanderthalensis
F. Homo floresiensis
G. Homo erectus
H. Homo sapiens
Please provide a single-option answer along with a... | G |
All of the following are examples of hydrolysis EXCEPT
A. conversion of proteins to amino acids
B. conversion of pyruvic acid to acetyl CoA
C. conversion of fats to fatty acids and glycerol
D. conversion of starch to simple sugars
Please provide a single-option answer along with a brief explanation. | B |
What was meant by the term 'American multiplication table'?
A. Increase in US international influence
B. Increase in US finances
C. Increase in US geographical territory
D. Increase in US education standards
E. Increase in US technological advancements
F. Increase in US political parties
G. Increase in US military cap... | H |
Marginal cost always intersects average variable cost at
A. the minimum of marginal cost
B. the minimum of average variable cost
C. the maximum of average variable cost
D. the profit-maximizing quantity
E. the maximum of marginal cost
F. the point of equilibrium between supply and demand
G. the point where average var... | B |
Suppose taxes are cut in an economy that is in equilibrium at full employment. In the long run the tax cut will
A. lower the price level.
B. raise real output without affecting the price level.
C. lower real output and raise the price level.
D. have no effect on real output or the price level.
E. have no effect on the... | F |
When 10.0 g of n-propylchloride is allowed to react with excess sodium in the Wurtz reaction, how many grams of hexane would be produced assuming a 70% yield?
A. 5.11 g
B. 4.45 g
C. 6.35 g
D. 2.56 g
E. 7.90 g
F. 8.67 g
G. 3.82 g
H. 9.50 g
I. 3.00 g
J. 4.20 g
Please provide a single-option answer along with a brief ex... | G |
Although corporate profit maximization is not directly prescribed by major normative theories to which normative theory is it most similar?
A. Consequentialism
B. The Categorical Imperative
C. Deontology
D. Virtue ethics
E. preference utilitarianism
F. Egoism
G. ethics of care
H. Relativism
I. hedonistic utilitarianis... | E |
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