Q: Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant? Choices: - thick pollutant - secondary pollutant - natural pollutant - primary pollutant A:
primary pollutant

Q: How do autotrophs get food? Choices: - From Water - Soak up from host cell - From Plant matter - make their own A:
make their own

Q: What is the volume of the molecules of an ideal gas? Choices: - three - two - one - zero A:
zero