Land, Water, & Air Resource Review 1

Using land to grow food crops is an example of

• desertification.
• mining.
• agriculture.
• development.

A valuable mineral deposit is located just below the surface of the ground. Which method would be used to obtain the mineral?

•   strip mining
•  nutrient depletion
• land reclamation
• underground mining

Farmers use crop rotation to reduce

• strip cropping.
•  nutrient depletion
•   desertification.
•  erosion.

The process of reclaiming products such as metal, glass, paper, and plastic and reusing them to create new products is called

•   mining.
•  incineration.
• composting.
•   recycling.

The process of helping the natural decomposition processes break down waste is called

•  waste-to-energy.
•  composting.
•   incinerating.
•   recycling.

Which type of hazardous waste gives off radiation?

• radioactive waste
• flammable waste
•   toxic waste
• corrosive waste

The construction of buildings, roads, bridges, dams, and other structures is called

•   agriculture.
•   mining.
• development.
• erosion.

To create less waste in the first place is to

• reduce.
•  incinerate.
•  reuse.
•  recycle.

The process of restoring an area of land to a more natural, productive state is called

•   erosion.
•   land reclamation.
• desertification.
•   nutrient depletion.

One group of gases that is responsible for destroying ozone in the ozone layer is

•   CFCs.
• car exhaust fumes.
• carbon monoxide and carbon dioxide.
•  nitrogen oxides and sulfur oxides.