Science - Chapter 5 Review

Fossils tell us about plants and animals of the past and how Earth has changed.

Fuel.

Nonrenewable resources.

Soil is a mixture of tiny rocks, minerals, and decayed materials from plants and animals.

Coal is a nonrenewable resource because it cannot be reused or replaced in a useful amount of time.

Renewable resources are resources that can be replenished naturally over time.

A natural resource is something found in nature that is useful to people.

Pollution is the introduction of harmful substances into the environment.

Renewable resources can be replaced naturally, while nonrenewable resources cannot be replaced in a useful amount of time.

Coal, oil, and natural gas are examples of fossil fuels.