Q: The pituitary gland is associated with what bodily system? Choices: - nervous - digestive - cardiovascular - endocrine A:
endocrine

(Question)
Q: What cycle is frequency measured in per second? Choices: - watt - decibel - Krebs - hertz A:
(Answer)
hertz

Ques: Q: What can destroy living cells, produce mutations and cause cancer? Choices: - plasma rays - stingrays - prismatic rays - gamma rays A:
Ans: gamma rays

(Q).
Q: How thick is the earth's continental crust, on average? Choices: - 60 kilometers - 15 kilometers - 25 kilometers - 35 kilometers A:
(A).
35 kilometers

Ques:Q: Unlike energy, what doesn't need to be constantly added to ecosystems because it is recycled through ecosystems? Choices: - water - nutrients - vapor - matter A:

Ans:matter

Question: Q: What structure is the site of all of the basic biochemical processes that keep organisms alive? Choices: - particle - Atom - Element - cell A:
Answer:
cell