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 Middle School Life Science: Homework Help Resource
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Ch 29: Environmental Concerns: Homework Help

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About This Chapter

The Environmental Concerns chapter of this Middle School Life Science Homework Help course helps students complete their environmental concerns homework and earn better grades. This homework help resource uses simple and fun videos that are about five minutes long.

How it works:

  • Identify which concepts are covered on your environmental concerns homework.
  • Find videos on those topics within this chapter.
  • Watch fun videos, pausing and reviewing as needed.
  • Complete sample problems and get instant feedback.
  • Finish your environmental concerns homework with ease!

Topics from your homework you'll be able to complete:

  • Physical, chemical and biological pollution
  • Air pollution sources and types
  • Effect of global warming on climate
  • Importance of the ozone layer
  • Types of water pollution
  • Environmental problems associated with groundwater
  • Water treatment methods
  • Legislation for clean water

8 Lessons in Chapter 29: Environmental Concerns: Homework Help
Chapter Practice Test
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Pollution: Physical, Chemical & Biological

1. Pollution: Physical, Chemical & Biological

Pollution is the existence of unwanted and harmful substances in the environment. Learn more about different types of pollution (including physical, chemical, and biological) and how they can negatively affect the environment.
What Is Air Pollution? - Definition, Sources & Types

2. What Is Air Pollution? - Definition, Sources & Types

Air pollution is a mixture of harmful particles and gases in the atmosphere. Learn the definition of air pollution, discover its sources, and explore the different types of air pollutants that exist.
Global Warming: Atmospheric Causes and Effect on Climate

3. Global Warming: Atmospheric Causes and Effect on Climate

Global warming is a multifaceted and complex issue that involves both natural and human causes that increase the number of greenhouse gases. Learn how the atmospheric temperature can increase leading to global warming, explore some of its causes and how it affects climate change, and discover the role of the greenhouse effect on global warming.
The Ozone Layer: Importance and the Harmful Effects of Thinning

4. The Ozone Layer: Importance and the Harmful Effects of Thinning

The ozone layer of the Earth absorbs the ultraviolet radiation coming from the Sun. Learn about the importance of ozone, discover how CFCs break down the ozone, explore the early discoveries about harmful effects of CFCs and the thinning of the ozone layer, and determine policies in place to protect the ozone.
Water Pollution: Definition, Types, and Sources

5. Water Pollution: Definition, Types, and Sources

Water is arguably our most precious resource; however, water pollution can have detrimental effects on the health and welfare of people throughout the world. Learn what water pollution is and its sources, and distinguish between surface and groundwater pollution.
Environmental Problems Associated With Groundwater

6. Environmental Problems Associated With Groundwater

Groundwater is our largest natural source of freshwater, but several environmental problems threaten the underground aquifers that contain it. Explore how groundwater is vulnerable to issues like pollution, overdrawing, and subsidence, and discover how these problems impact the planet's water supply.
Water Treatment: Improving Water Quality

7. Water Treatment: Improving Water Quality

Water treatment is the process of removing harmful substances from water to make it suitable for use. Explore how water quality is improved, the process of water purification, how wastewater is treated, and the quality of drinking water in developing countries.
The Clean Water Act & Safe Drinking Water Act: Legislation for Clean Water

8. The Clean Water Act & Safe Drinking Water Act: Legislation for Clean Water

In the early 1970s, the US Environmental Protection Agency (EPA) passed the Clean Water Act and Safe Drinking Water Act to regulate water pollution and increase the standards for safe drinking water. Learn about legislation for clean water and how increased regulations provide safe water for Americans.
Chapter Practice Exam
Chapter Practice Exam
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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