Q: Hydrocarbons are made up of carbon and what else? Choices: - silicon - nitrogen - helium - hydrogen A:
hydrogen

Q: What are the attractive forces that occur between polar molecules called? Choices: - induced-dipole forces - particle - dipole forces - ion-dipole forces - dipole-dipole forces A:
dipole-dipole forces

Q: Q: The active site can only bind certain what? Choices: - electrons - membranes - proteins - substrates A:
A: substrates

Question: Q: What term means the amount of space matter takes up? Choices: - weight - density - mass - volume A:
Answer: volume

*Question*
Q: What do monarch butterfly larvae depend on for their food? Choices: - seaweed - pollen - honey - milkweeds A:
**Answer**
milkweeds

Q: Q: Chemical symbols are useful to concisely represent the elements present in a substance. the letters usually come from the name of what? Choices: - month - scientist - discoverer - element A:
A: element