Human Impact Review

Which of the following is an example of a renewable natural resource?

• Solar power
• Crude oil
• Coal
• Aluminum

Which of the following is an example of a nonrenewable natural resource?

• Natural gas
• Wind energy
• Sunlight
• Hydroelectric power (from flowing water)

Forms of precipitation are

• only sleet and snow

• rain, sleet, snow, and hail

• only dew, mists, and rain

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.

• Water
• Atmosphere
• Sun
• Air

Which one of these does not add CO2 to the atmosphere?

• cooking with gas
• planting trees
• burning wood
• riding in a bus

If the human population decreased, the amount of carbon would _________.

• Stay the same

• Increase

• Decrease

Deforestation does not cause animals to lose their habitats.

• True

• False

What is deforestation?

• Clearing Earth's forests on a massive scale
• Eating too much vegetables
• Going to a forest and pulling weeds
• Clearing the five trees in my backyard

Water pollution occurs when:

• Harmful substances enter a water supply

• Industries dispose of waste safely and correctly.

• Industries cut costs with waste disposal.

• None of the above.

We can prevent water pollution by:

• Reduce the use of plastic.

• Properly dispose of chemicals.

• Clean up after your animals.

• All of the above