Question: Q: Some metals, such as gold and platinum, do not corrode easily because they are very resistant to what? Choices: - evaporation - precipitation - heat - oxidation A:
Answer: oxidation

Question: Q: When electrons move from one atom to another, they become what? Choices: - particles - neons - atoms - ions A:
Answer: ions

Question: Q: What are the two main divisions of the human nervous system? Choices: - somatic and autonomic - central and identical - left and right - central and peripheral A:
Answer:
central and peripheral