Q: A snail's shell provides the snail with

OPTIONS:
- food.
- energy.
- protection.
- transportation.
A: protection.
Q: In what way does society benefit from research on diseases?

OPTIONS:
- New illnesses will develop.
- Doctors will visit their patients at home.
- More families will move closer to hospitals.
- Many illnesses will be prevented or cured.
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?

OPTIONS:
- bacteria
- fertilizers
- pesticides
- earthworms
A: earthworms
Q: Which weather instrument measures air pressure?

OPTIONS:
- thermometer
- anemometer
- rain gauge
- barometer
A:
barometer