Q: Deeper layers of rock must be older than layers closer to the surface, this is the law of what? Choices: - erosion - diffraction - flux - superposition A:
superposition

Q: During cellular respiration, carbons from the glucose molecule are changed back into what gas? Choices: - deformation dioxide - carbon monoxide - liquid dioxide - carbon dioxide A:
carbon dioxide

Q: Q: What kind of mouthparts do aphids have? Choices: - chewing mouthparts - sponging mouthparts - siphoning mouthparts - piercing-sucking mouthparts A:
A: piercing-sucking mouthparts

Question: Q: When is the sun directly over the equator? Choices: - Winter - Midsummer - Fall - equinox A:
Answer: equinox

*Question*
Q: Athletes such as swimmers and bicyclists wear body suits in competition to minimize what forces? Choices: - natural forces - rolling forces - activity forces - drag forces A:
**Answer**
drag forces

*Question*
Q: The skin plays an important role in preventing the escape of what commonly found liquid from the body? Choices: - hormones - stomach acid - urine - water A:
**Answer**
water