Which of these processes is a conversion made by solar panels? OPTIONS:
- mechanical energy to nuclear energy
- thermal energy to chemical energy
- kinetic energy to potential energy
- radiant energy to electrical energy
A: radiant energy to electrical energy

What do producers need to make food? OPTIONS:
- sunlight, oxygen, and carbon dioxide
- sunlight, water, and carbon dioxide
- water, oxygen, and carbon dioxide
- water, oxygen, and sunlight
A: sunlight, water, and carbon dioxide

In order for boulders to become sediments, the boulders must first be OPTIONS:
- heated and melted.
- weathered and eroded.
- recrystallized.
- buried.
A: weathered and eroded.

A fox grows thicker fur as a season changes. This adaptation helps the fox to OPTIONS:
- find food
- keep warmer
- grow stronger
- escape from predators
A:
keep warmer