Q: Q: What is the number of protons in the nucleus? Choices: - element - metallic number - atomic mass - atomic number A:
A: atomic number

Q: Q: What has a pseudocoelom and hydrostatic skeleton? Choices: - vertebrates - omnivores - gymnosperms - roundworms A:
A: roundworms

Q: Q: What is the process that moves particles by rolling or dragging along the bottom of the water? Choices: - compaction - compression - isolation - traction A:
A: traction

Q: Q: Boyle's law applies to matter which is in what state? Choices: - liquids - plasma - solids - gas A:
A: gas