Which of the following is an example of resource depletion?

• Careful management of Earth's resources

• Use of resources faster than they are replenished 

• Harnessing solar energy

• Selecting harvesting of forest trees

Oil, natural gas, coal, and nuclear energy are examples of _________ resources.

• renewable

• non-renewable

How do humans rely upon the Earth?

• Food

• Energy

• Shelter

• All of these

What is an ecological footprint?

• Impact nature has on humans

• Size of earth biosphere

• Measure of humans impacts on Earth

• Cutting down and burning forests

Global change is

• Only humans induced changes on the environment

• Only natural induced changes on the environment

• All natural and human induced changes on the environment

• Changes in the Earth from the Biosphere

Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today?

• They are being formed as a type of methane which we cannot use.

• The fossil fuels are being broken down by a natural process.

• They are being formed too far beneath the surface.

• We are depleting the fossil fuels much faster than they can form.

Air pollution causes all of the following, EXCEPT

• Holes in ozone layer

• acid rain

• smog

• healthy air

Where is pollution found on earth?

• land

• air

• water

• land, air, and water

The major cause of extinction is ____________________.

• Habitat fragmentation 

• pollution

• habitat destruction

• poaching

What is a natural resource?

• A man-made product

• A naturally occurring substance

• A type of technology

• A synthetic material