prompt
stringlengths
140
2.04k
completion
stringclasses
8 values
dataset
stringclasses
4 values
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Matrix Factorizations: If we compare SGD vs ALS for optimizing a matrix factorization of a $D \times N$ matrix, for large $D, N$ A. (a) Per iteration, SGD has a similar computational cost as AL...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. An object inside a freezer will become less excited with energy an therefore become A. cold B. round C. warm D. nervous Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are clouds that form on the ground called? A. smoke B. fog C. haze D. canopy Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Where do biochemical reactions occer? A. inside organisms B. in the environment C. outside organisms D. inside labs Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In the food chain process an animal has the role of consumer which eats producers for what? A. grass B. sea C. water flow D. sustenance Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Given a matrix $\Xm$ of shape $D imes N$ with a singular value decomposition (SVD), $X=USV^ op$, suppose $\Xm$ has rank $K$ and $\Am=\Xm\Xm^ op$. Which one of the following statements i...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what flows to a light bulb to turn it on? A. heat energy B. protons C. Solar energy D. neutrons E. direct energy F. energy G. electrons H. light switch Answer:
G
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What do blood vessels carry? A. nitrogen B. glucose C. SO2 D. water E. Joules F. oxygen G. fluid H. liquid Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what are genes coded on? A. nucleus B. cell walls C. A computer D. Most plants E. A Greek letter F. pollen G. ribosomes H. DNA strands Answer:
H
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are the organized instructions within dna for making proteins called? A. clones B. genes C. genomes D. replicants Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Like mammals and birds, and unlike other reptiles, crocodiles have how many chambers in their heart? A. four B. one C. six D. two Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Let \( P(n) \) be a proposition for a positive integer \( n \) (positive integers do not include 0). You have managed to prove that \( orall k > 2, \left[ P(k-2) \wedge P(k-1) \wedge P(k) ight...
D
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. where are there social groups called prides? A. under the sea B. outer space C. complex D. protected E. arctic F. fur seals G. Summer H. africa Answer:
H
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. An example of a fossil is the bones of what kind of animal? A. toy B. live C. programmed D. wiped out Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \emph{false} assertion. The ambiguity issue in the decryption algorithm of the Rabin cryptosystem can be solved by\dots A. encrypting the message twice. B. encrypting the message append...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is another name for a reasonable explanation for something that might be formed near the beginning of a scientific inquiry into a problem? A. experiment B. theory C. conclusion D. hypothesi...
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which animal has a circulatory system with a three-chambered heart? A. animals B. Salamander C. fur seals D. mammals E. alpacas F. a fish G. warm-blooded H. barnacles Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What instrument measures in grams? A. sweating B. A balance C. heat energy D. A ruler E. nutrients F. An anemometer G. energy H. A thermometer Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what falls from lower to higher altitudes? A. gravity B. degrees celcius C. clouds D. kinetic energy E. density F. colder and wetter G. water vapor H. heat energy Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the layer of ground below the surface that is always frozen, even in the summer? A. upper crust B. bedrock C. tundra D. permafrost Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what have special excretory structures sometimes? A. h2o B. fur seals C. excretion D. fungi E. bees F. insects G. barnacles H. clouds Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A person wants to discover how much time they've spent on something, so when they think about data, they need to A. accumulate it B. ignore it C. lose it D. forget it Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. if you see little wet spots on your windshield, what might have happened? A. the sun is setting B. vapor transformed into droplets C. the moon is rising D. the windshield is dissolving Answer:
B
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are the two most common causes of diseases? A. bacteria and viruses B. nutritional deficiencies C. bacteria and protazoa D. viruses and protazoa Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What does heat energy do? A. igniting fuel and oxidiser B. The bending of a ray of light C. makes digestion easier D. It gets heated up E. Movement of an air mass F. move to different locations ...
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Interactions between plants and other organisms result in cycling of chemical nutrients within what? A. air B. habitat C. ecosystem D. water Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. For his awesome research, Tugrulcan is going to use the PageRank with teleportation and HITS algorithm, not on a network of webpages but on the retweet network of Twitter! The retweet network is...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. For each of the sub-questions of this question (next page), tick/check the corresponding box if the presented sentence is correct at the corresponding level (for a human). There will be a penalt...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Muscle and internal organs are protected by: A. immunization B. fur C. fat D. bone E. hair F. skin G. defense H. copper Answer:
D
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the force that slows down or stops motion? A. thrust B. tension C. friction D. resistance Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What sort of habitat would living things live in? A. A habitat with plenty of water B. A habitat with varying weather C. A habitat that most animals choose D. A habitat with many toys Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Single-celled eukaryotes that share some traits with animals are also called? A. eukaryotes B. monomers C. microorganisms D. prokaryotes Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The great astronomer edwin hubble discovered that all distant galaxies are receding from our milky way galaxy with velocities proportional to their what? A. masses B. paths C. distances D. dimen...
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What cools the body? A. evaporation B. Putting heat on it C. Movement of an air mass D. Starting a fire E. Evaporation of alcohol F. Evaporation of water G. vaporization H. reduced heat Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The Pohlig-Hellman algorithm can be used to \dots A. solve the DH problem when the order of the group is smooth. B. solve the RSA factorization problem when $p-1$ has smooth order. C. find squar...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the following integers has the square roots $\{2,3\}$ when taken modulo $5$ \textbf{and} the square roots $\{3,10\}$ when taken modulo $13$. A. $4$. B. $9$. C. $6$. D. $5$. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Cows only eat what? A. flora B. animals C. water D. bugs Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. kinetics change stored energy into motion and A. snacks B. naps C. kites D. warmth Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In a FP tree, the leaf nodes are the ones with: A. Lowest confidence B. Lowest support C. Least in the alphabetical order D. None of the above Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the encryption of the word ``SECRECY'' under the Vigen\`ere cipher using the key ``ZAB''? A. ``REDQEDX'' B. ``RDDQEDX'' C. ``REDQEKX'' D. ``REDUEDX'' Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What would happen if all geese could not reproduce? A. replication B. extinction C. survival D. kill them E. Dehydration F. mutations G. thrive H. deforestation Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the following would animals use to store energy? A. fats B. plants C. sodium D. blood E. Energy F. sugar G. food H. carcass Answer:
A
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What does the green matter on plants do? A. Absorb light B. Change colors C. Shield from sun D. It expands E. Protects from predators F. Drinks water G. reproduce H. growth Answer:
A
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When the Mountain held the Hound's face to the fire, it caused A. joy B. children C. beautiful skin D. scars Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In an endothermic reaction, what is absorbed by the reaction? A. fuel B. atoms C. food D. energy Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is public transportation used to transport large amounts of? A. animals B. energy C. people D. air E. boxes F. organisms G. athletes H. coal Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are unique in having adaptive immunity in addition to innate immunity? A. organelles B. invertebrates C. cells D. vertebrates Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What can cause harm to the most fragile part of the face? A. Pesticides B. water C. cloudy days D. cigarettes E. light touches F. smoking G. vinegar H. viruses Answer:
G
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What do substances in the pituitary control? A. To keep their body heat. B. sweating C. endocrine glands D. temperature E. preventing heat transfer F. an organism's body G. movement H. Veins and...
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What studies how animals behave in their natural environment? A. resistance activities B. that material's properties C. it keeps an organism warm D. A computer E. it's state F. behavioral studie...
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is used for the fermentation process that makes beer, wine, and bread? A. fungi B. yeast C. barley D. whey Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. As a car approaches you in the night A. the headlights become more intense B. the headlights recede into the dark C. the headlights remain at a constant D. the headlights turn off Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Consider the following lexicon \(L\): boy : Adj, N boys : N blue : Adj, N drink : N, V drinks : N, V Nice : Adj, N When using an order-1 HMM model (using \(L\)) to tag the word sequen...
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the following probability distributions are members of the exponential family: A. Cauchy distribution: $p(y|y_0,\gamma) = rac{1}{\pi \gamma [1 + ( rac{y-y_0}{\gamma})^2]}$. B. Poisson ...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The result of $2^{2015} \bmod{9}$ is $\ldots$ A. 2. B. 5. C. 4. D. 7. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Select the \emph{incorrect} statement. The brute force attack \dots A. can be applicable after decades according to Moore's law. B. can break a cipher with a $128$-bit key on your PC today. C. h...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Consider password-based access control. Tick the \textit{incorrect} assertion. A. Double hashing the password can help avoid the problems related to low-entropy passwords. B. Salt can be used to...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the largest human organ? A. stomach B. skin C. lungs D. brain Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Select all statements that are true.A penalty will be applied for any wrong answers. A. The analyzer functionality of a parser determines the set of all possible associated syntactic structures ...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The test loss of the 1-nearest neighbor classifier is always zero. A. TRUE B. FALSE Answer:
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What class of organisms help decompose matter to release nutrients and make nutritious food for other organisms ? A. coral B. bacteria C. fungi D. yeast Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When using the plain ElGamal cryptosystem over the group $\mathbb{Z}_p^*$ with a fixed $\ell$-bit prime $p$ and a fixed generator $g\in\mathbb{Z}_p^*$, the \textit{tightest} complexity of genera...
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Pick the \emph{false} statement. A. A ring is always commutative: $ab=ba$ B. A ring is always associative: $(ab)c=a(bc)$ C. A ring is always distributive: $a(b+c)=ab+ac$, $(a+b)c=ac+bc$ D. A rin...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \emph{true} assertion. A distinguishing attack against a block cipher\dots A. is a probabilistic attack. B. succeeds with probability $1$. C. outputs the secret key. D. succeeds with pr...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Making a specific statement based on a general principle is the definition of what type of reasoning? A. deductive B. transitive C. inference D. inductive Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Consider a binary classification task as in Figure~\AMCref{fig:lr_data}, which consists of 14 two-dimensional linearly separable samples (circles corresponds to label $y=1$ and pluses correspond...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A genetic molecule is called dna, which stands for this? A. di-nitrous ammonia B. dark nitrogen amine C. dense ribonucleic acid D. deoxyribonucleic acid Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What filters blood? A. nephrons B. capillaries C. mechanical D. four limbs E. animals F. organ G. sunlight H. mollusks Answer:
A
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Does AddressSanitizer prevent \textbf{all} use-after-free bugs? A. No, because quarantining free’d memory chunks forever prevents legit memory reuse and could potentially lead to out...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which is a source of raw materials? A. a power plant B. a factory C. a shopping mall D. an oil field Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what does water vapor condensing in the clouds cause? A. energy B. Pollution C. Evaporation D. moist soil E. Energy. F. flooding G. kinetic energy H. Heat energy Answer:
D
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When the seasons change from the summer to the fall, what decreases? A. sunlight B. rainfall C. salinity D. Sun light E. rain F. energy usage G. ice H. distance Answer:
D
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Consider a public-key cryptosystem. Let $K_p$, $K_s$, $X$, and $Y$ be respectively the public key, private key, plaintext and ciphertext. Which assertion is \emph{always true}? A. $Enc_{K_p}(Dec...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Suppose you have a search engine that retrieves the top 100 documents and achieves 90% precision and 20% recall. You modify the search engine to retrieve the top 200 and mysteriously, the precis...
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the following algorithms is \emph{not} a hash function? A. SHA-1 B. MD5 C. RC4 D. MD4 Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The transport of what requires energy? A. communication B. microorganisms C. colors of the spectrum D. Something to move E. salamanders F. Neurotransmitters G. an object H. Veins and arteries. A...
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What can a greenhouse protect by keeping warm? A. mussels B. Species C. organisms D. lights E. bushes F. rocks G. Oak H. hats Answer:
E
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What do plasma cells allow our bodies to fight? A. resistance B. parasites C. infection D. illness E. Hostile armies F. invasion G. hair H. Leptospirosis Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what causes sunlight to split into different colors? A. bending of light rays B. focusing a lens C. converting electricity to heat D. increasing electrons E. reflections F. heat energy G. adding...
A
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is described by the concentration of hydrogen ions in a solution? A. oxidation B. hydrogeny C. ph D. neutrality Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Select the \textbf{most accurate} answer. For a hash function to be secure (\textbf{but still efficient}) against collision attacks in 2015, the output length should be\dots A. around 80 bits. B...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Magnetism is due to the movement of what within atoms? A. magnetrons B. protons C. neutrons D. electrons Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Suppose that an item in a leaf node N exists in every path. Which one is correct? A. N co-occurs with its prefix in every transaction. B. For every node P that is a parent of N in the fp tree, c...
C
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \emph{correct} assertion. Linear cryptanalysis \ldots A. was invented long before the Caesar cipher. B. is a chosen plaintext key recovery attack. C. requires $\frac{1}{DP}$ pairs of pl...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which bonds are the strongest of the intermolecular forces? A. carbon B. calcium C. hydrogen D. complex Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the fastest land animal? A. cheetah B. greyhound C. rhino D. ostrich Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. One way humans may be polluting the Earth is A. using solar energy B. antibacterial soap C. riding bikes D. walking Answer:
B
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In what unit is speed usually measured? A. radians B. miles per hour C. Celcius D. calories Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \emph{incorrect} assertion. The Diffie-Hellman key agreement protocol \ldots A. allows two participants to set up a key so that they can communicate securely. B. requires the hardness o...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Air is considered to be a vehicle for..? A. Light B. Wind C. Speed D. Sound Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. If a river dries, deer may A. detect more water B. carry on without C. restore it D. quest for sources Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are reversible physical changes in matter called? A. alterations B. changes of state C. transformations D. chemical change Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \textbf{false} statement. GSM anonymity is broken by ... A. replaying an A3 challenge. B. desynchronizing the mobile station and the network. C. using A5/1. D. sniffing the very first c...
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What converts electrical energy to sound? A. ears B. organ C. radios D. pencils E. engines F. waves G. Gunshots H. antennae Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. As an individual is forced to pedal harder on a bicycle their pulse rate A. stays the same B. decreases C. stops D. increases Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the term for an antibody that inappropriately marks self-components as foreign? A. rogue antibody B. autoantibody C. autoimmune antibody D. compromised antibody Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Scientists goal is develop nuclear fusion power plants, where the energy from fusion of hydrogen nuclei can be converted to what? A. gasoline B. wind C. oil D. electricity Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Bubbles in bread dough are created by what gas produced during alcoholic fermentation? A. combustion dioxide B. acid dioxide C. carbon dioxide D. yeast dioxide Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. All the blood in the human body is filtered about 60 times a day by what? A. heart B. liver C. kidneys D. lungs Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Phylum chordata consists of two subphyla of invertebrates, as well as the hagfishes and what else? A. cells B. vertebrates C. organs D. lipids Answer:
B
sciq