Natural Resources

The result of replacement of a resource at the same rate in which it is consumed

A resource that exists in a fixed amount that is not easily or quickly replaceable

A resource that Earth provides

The United States uses over half of the Earth’s mineral and energy resources each year

A resource that is replaced at a rate equal to, or greater than, the rate at which it is being used

The use of nonrenewable resources can be managed in such a way to create a sustainable yield.

Diamonds are an example of a renewable resource since more will be formed over time.

Small countries can have abundant natural resources.

Which is the gradual rising of Earth’s average surface temperature, may be one result of the human alteration of the carbon cycle.

A natural resource that can be mined at a profit

A mixture of gravel, sand, and crushed stone that naturally accumulates close to Earth’s surface

The base of unweathered parent rock beneath soil

Is the permanent destruction of forests in order to make the land available for other uses. An estimated 18 million acres (7.3 million hectares) of forest, which is roughly the size of the country of Panama, are lost each year, according to the United Nations' Food and Agriculture Organization

It can take up to 1000 years to form just a few centimeters of topsoil.

Is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earth's climate.

Of all the land in the United States, 22 percent is certified as public land.

has changed precipitation patterns in the tropical rain forests of the Amazon River Basin.

Are substances that can adversely affect the survival, health, or activities of organisms

Results when pollutants in air occur in quantities that become harmful to human health and the health of the environment.