earth science chapter 4 Flashcards
1
Q
_______________ are those that cannot be replaced quickly enough to keep from running out
A
Nonrenewable resources
1
Q
______________ are those that are always being replaced and will not run out
A
Renewable resources
2
Q
_______________ is the presence of substances that are harmful to the environment or to living things
A
Pollution
3
Q
A ______________ is any fuel that formed from the remains of plants and animals that lived millions of years ago
A
fossil fuel
4
Q
_______________ is electricity produced by the energy in moving water
A
Hydroelectric power
5
Q
_______________ is plant material and animal waste used as fuel
A
Biomass
