Earth's Systems Flashcard 3

Front

What type of resource is coal?

Back

Nonrenewable

Front

What type of resource is water?

Back

Renewable

Front

What causes smog?

Back

Cars, trucks and buses burn fuel and release chemicals into the air that react with sunlight.

Front

Where is the smallest source of fresh water on Earth found?

Back

Surface Water

Front

What do we call the millions of pieces of rockets, tools, and old satellites left orbiting the Earth?

Back

Space Junk

Front

What is a renewable resource?

Back

A resource that can be replenished naturally over time.

Front

What is a nonrenewable resource?

Back

A resource that cannot be replenished in a short period of time.

Front

What is the main cause of air pollution?

Back

Emissions from vehicles, industries, and burning fossil fuels.

Front

What is the significance of trees in the environment?

Back

Trees help reduce air pollution, provide oxygen, and support wildlife.

Front

What is surface water?

Back

Water that collects on the surface of the ground, such as rivers, lakes, and ponds.