?

AP® Environmental Science

Free Version

Upgrade subject to access all content

Moderate

Energy from Remains

APES-FVQFEL

We use energy-rich substances formed from the remains of organisms to power a variety of needs.

What are these substances called?

A

Detritus.

B

Lignin.

C

Fossil fuels.

D

Glucose.

E

Biofuel.