Q: What is the process of oxidized iron that has been exposed to air and water? Choices: - bark - crust - crystallization - rust A:
rust

Q: What type of invertebrate typically has a single spiraled shell? Choices: - bipod - arthropod - anthropod - gastropod A:
gastropod

Q: Q: What substance do developing seeds produce which promotes fruit growth? Choices: - xenon - pepsin - interferon - auxin A:
A: auxin

Question: Q: Mating with no strong pair-bonds is called? Choices: - mutual - covalent - heterogeneous - promiscuous A:
Answer: promiscuous

*Question*
Q: What is the first digestive organ that food enters? Choices: - intestine - digestive system - kidneys - mouth A:
**Answer**
mouth

*Question*
Q: What effect causes an object to appear to have a change of motion? Choices: - momentum effect - resonant effect - centrifugal effect - coriolis effect A:
**Answer**
coriolis effect