Q: Damages and deaths are directly affected by what in an earthquake? Choices: - structures - shaking - natural - construction A:
construction

Q: On top of the otolithic membrane is a layer of calcium carbonate crystals, called what? Choices: - cones - gonads - calcites - otoliths A:
otoliths

Q: Q: Commensalism, mutualism, and parasitism are known as what type of relationships? Choices: - simple - peculiar - various - symbiotic A:
A: symbiotic

Question: Q: What is the colorless gas with a sharp, pungent odor used in smelling salts? Choices: - nitrogen - hydrogen - helium - ammonia A:
Answer: ammonia

*Question*
Q: Scientists think the solar system formed from a big cloud of gas and dust called what? Choices: - comet - supernova - Oort cloud - nebula A:
**Answer**
nebula

Q: What is a continuous flow of electric charge called? Choices: - powered current - microwave current - magnetism - electric current A:
electric current