Ch. 4 vocab earth science

Question 1

those that are always being replaced and will not run out

Answer 1

renewable resources

Question 2

those that cannot be replaced quickly enough to keep from running out

Answer 2

nonrenewable resources

Question 3

presense of substances that are harmful to the eviroment or living things

Answer 3

pollution

Question 4

any fuel that formed from the remains of plants and animals that lived millions of years ago

Answer 4

fossil fuels

Question 5

electricity produced by the energy in moving water

Answer 5

hydroelectric power

Question 6

plant material and animal waste used as fuel

Answer 6

biomass