Q: What does continental crust grade into at continental margins? Choices: - ocean floor - storm crust - remnants crust - oceanic crust A:
oceanic crust

(Question)
Q: What type of thin lava forms shapes and tubes as it flows? Choices: - spicule - xeric - xerophyte - pahoehoe A:
(Answer)
pahoehoe

Ques: Q: During the winter, production of what amine involved in the sleep-wake cycle may be affected by less sunlight hours? Choices: - serotonin - dopamine - folate - melatonin A:
Ans: melatonin

(Q).
Q: All proteins are made of monomers called what? Choices: - monotides - aminotides - peptides - amino acids A:
(A).
amino acids

Ques:Q: What kind of compound, contained in coffee and alcohol, increases urine volume? Choices: - anabolic - acid - additive - diuretic A:

Ans:diuretic

Q: The invention of what instrument in the 1930s allowed scientists to see viruses for the first time? Choices: - spy glass - telescopes - magnifying glass - electron microscope A:
electron microscope