Natural Resources Review Flashcard

Front

Define "natural resources."

Back

Materials created in nature that are used and usable by humans.

Front

What is the difference between biotic and abiotic resources?

Back

Biotic resources come from organic matter; abiotic come from inorganic matter.

Front

What is the difference between renewable and nonrenewable resources?

Back

Renewable resources can be replenished; nonrenewable cannot be replenished.

Front

What does it mean that a resource can be depleted?

Back

Resources are used quicker than they are renewed or not renewed at all.

Front

What is the geological time scale?

Back

A division of the earth's history into different time structures.

Front

What is uniformity in geology?

Back

The assumption that geological processes have always happened the same way.

Front

Explain the theory of catastrophism.

Back

The theory that catastrophic events have shaped the earth's layers.

Front

What percentage of the Earth's water is fresh?

Back

3%

Front

What makes water as a liquid a viable resource compared to water as vapor or ice?

Back

It is readily accessible and transportable.

Front

What is the difference between instream and withdrawal use of water?

Back

Instream use leaves water in its place, withdrawal takes it elsewhere.