Q: Where are the oceans most polluted? Choices: - in warmer waters - on the ocean floor - along reefs - along coasts A:
along coasts

Q: What type of behavior is frogs croaking or deer clashing antlers an example of? Choices: - instincts - learned behavior - mating - courtship A:
courtship

Q: Q: What is the simplest type of carbon-based compounds? Choices: - Buckminsterfullerine - graphite - particles - hydrocarbons A:
A: hydrocarbons

Question: Q: What science includes many fields of science related to our home planet? Choices: - meteorology - zoology - biology - earth science A:
Answer: earth science

*Question*
Q: Variation in muscle cells gives further insight into some benefits of what type of respiration? Choices: - natural - enzymatic - aerobic - anaerobic A:
**Answer**
anaerobic

(Q).
Q: What type of weathering breaks rock into smaller pieces? Choices: - fluid weathering - chemical erosion - chemical weathering - mechanical weathering A:
(A).
mechanical weathering