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: Because force and electric field are what, they have direction as well as their value? Choices: - sensors - neurons - mass - vectors A:
vectors

Q: Q: What do ranchers fear will happen if wolves return? Choices: - loss of environment - human predation - vegetation predation - livestock predation A:
A: livestock predation

Question: Q: How many types of leptons are there? Choices: - nine - two - twelve - six A:
Answer: six

*Question*
Q: When hit from behind in a car crash, a passenger can suffer a neck injury called what? Choices: - inflammation - necklash - twisted neck - whiplash A:
**Answer**
whiplash

Q: What is the rotational equivalent of a force? Choices: - momentum - power - centripetal force - torque A:
torque