Q: A snail's shell provides the snail with
A: protection.
Q: In what way does society benefit from research on diseases?
A: Many illnesses will be prevented or cured.
Q: Michelle is interested in improving the quality of the soil in her yard. She wants more water and air to penetrate the soil. What should she add to the soil to help her achieve this goal?
A: earthworms
Q: Which weather instrument measures air pressure?
A:
barometer