Q: Fermat's principle states that what will always take the path that takes the least amount of time? Choices: - sound - wind - electricity - light A:
light

(Question)
Q: What type of organism was the only able to live in the anoxic atmosphere of the first 2 billion years? Choices: - aerobic - protists - mammals - anaerobic A:
(Answer)
anaerobic

Ques: Q: Carefully controlling the speed of a fission reaction produces what kind of energy? Choices: - chemical - atomic - thermal - nuclear A:
Ans: nuclear

(Q).
Q: Cnvs result from regions of what being duplicated or deleted inconsistently within the population? Choices: - genes - cytoplasm - DNA - genome A:
(A).
genome

Ques:Q: What are nutrients the body needs in relatively large amounts called? Choices: - adulterants - abundances - vitamins - macronutrients A:

Ans:macronutrients

Question: Q: Where on the earth's surface does the water cycle takes place? Choices: - on , below , and below - for , above , and below - inside,under,above - on, above, and below A:
Answer:
on, above, and below