chp.4 science book earth Flashcards
1
Q
__________ are those that are always being replaced and will not run out.
A
Renewable resources
2
Q
_________ is a plant material and animal waste used as a fuel.
A
Biomass
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 the presence of substances that are harmful to the environment or to living things.
A
Pollution
5
Q
______________ is electricity produced by the energy in moving water.
A
Hydroelectric power
6
Q
___________ are those that cannot be replaced quickly enough to keep from running out.
A
Nonrenewable resources
