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Chapter 10 Environmental Health |
Lesson 1
Earth's living things must share the resources of the planet and maintain a delicate balance. Pollution can upset this balance.
Lesson 2
Air pollution--outdoors as well as indoors--harms the environment and people's health.
Lesson 3
Pollutants can contaminate Earth's resources, including its water. By practicing conservation and disposing of chemicals carefully, people can help protect these resources.
Lesson 4
Land is a precious natural resource. Precycling, recycling, and careful waste disposal are three strategies that will help protect the land.
Lesson 5
Energy conservation helps protect the environment and preserve natural resources. A quiet and visually pleasant environment contributes to people's health and well-being. |
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