Ch. 21 Main Ideas

Question 0

What contributes to air, water, and land pollution

Answer 0

Air: burning fossil fuels, chemicals, other sources
Water: sewage, hazardous wastes,
Land: solid wastes, hazardous wastes

Question 1

What is pollution

Answer 1

Pollution is any dirty or harmful substance in our environment

Question 2

Describe the three R’s

Answer 2

Reduce: your consumption of energy and other sources
Reuse: items by repairing or selling
Recycle: materials so they can be used again

Question 3

Explain actions individuals can take to protect the environment

Answer 3

Lead your family’s recycling effort
Practice environmental awareness
Support a conservation organization

Question 4

Identify nonrenewable resources

Answer 4

Fossil fuels, natural materials

Question 5

Develop strategies to reduce the ways you contribute to pollution

Answer 5

Save more energy by turning off the lights when your not using them, unplug things that aren’t being used, take shorter showers, don’t leave the water running