Ch 8 Land, Air, & Water Resources

Many uses of land, including logging, mining, and farming, expose the soil, which can lead to

• erosion.
• nutrient depletion.
• crop rotation.
• development.

Most of the Earth's water (about 97 percent) is

• salt water in the oceans.
• freshwater in lakes and rivers.
• in the form of snow or ice.
• in the clouds.

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

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

Identify the natural resource in the picture

• Diamond
• Coal
• Amethyst
• Peridot

Identify the natural resource in the picture

• Bass
• Blue gill
• Catfish
• Cod

Identify the natural resource in the picture

• Diamond
• Oil
• Coal
• Petricore

Identify the natural resource in the picture

• Bass
• Blue gill
• Catfish
• Salmon

Identify the natural resource in the picture

• Shrimp
• Squid
• Octopus
• Scallop 

What natural resource does this device collect?

• Gasoline
• Diesel
• Oil
• Ethanol

Is coal considered renewable or nonrenewable? 

• Renewable
• Nonrenewable because once it is used, it is gone.