Q: Q: Which two gases make up the bulk of earth's atmosphere? Choices: - carbon and oxygen - phosphorus and oxygen - nitrogen and argon - nitrogen and oxygen A:
A: nitrogen and oxygen

Q: Q: The wavelength of a what type of wave can be measured as the distance between two adjacent compressions? Choices: - horizontal - lateral - vertical - longitudinal A:
A: longitudinal

Q: Q: Ionic compounds contain cations and anions rather than what? Choices: - characterized neutral molecules - positive molecules - analogous neutral molecules - discrete neutral molecules A:
A: discrete neutral molecules

Q: Q: If an air mass forms over an ocean it is called what type of air mass? Choices: - cumulus - hurricane - tropical - maritime A:
A: maritime