Q: Varves form in lakes covered by what? Choices: - coral reef - bridges - soot - ice A:
ice

Q: The process of producing mature sperm is called what? Choices: - spermatosis - glycogenolysis - ketoacidosis - spermatogenesis A:
spermatogenesis

Q: Q: Scientists will often observe and then what the reason why a phenomenon occurred? Choices: - realize - normalize - theorize - hypothesize A:
A: hypothesize

Question: Q: Anaerobic respiration takes place without what? Choices: - nitrogen - movement - carbon - oxygen A:
Answer: oxygen

*Question*
Q: Which process causes rocks at the earth's surface to change form? Choices: - bleaching - remodeling - eroding - weathering A:
**Answer**
weathering

(Question)
Q: What gas is expired out of the body during exhalation? Choices: - carbon monoxide - hydrogen - oxygen - carbon dioxide A:
(Answer)
carbon dioxide