Water pollution and humans
[DOC File]CHAPTER 20
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Water pollution is any chemical, biological, or physical change in water quality that has a harmful effect on living organisms. SCIENCE FOCUS: Scientists monitor water quality by using bacterial counts, chemical analysis, and indicator organisms. B. Water pollution can come from a single source or from a variety of dispersed sources.
[DOCX File]Mrs. Luzier's Science Classroom - Home
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Water pollution occurs when harmful waste products, chemicals, and other substances are introduced into a body of water. Most water pollution can be classified into four main types: Thermal Pollution: is caused when factories and power plants release hot water, used to cool machines in their factories, intro surrounding water.
Water Pollution Worksheet - Lancaster High School
Water pollution is the decreased usefulness of water due to the increase of substances in the water_____ ... Hydrogen sulfide is toxic; acts as a respiratory depressant in humans and fish. Radionuclides mining / ore processing, nuclearpowerplant wastes, commercial & industry Some are toxic, carcinogenic, or mutagenic. ...
[DOCX File]Chapter 14 – Water Pollution - Henry County Schools
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Chapter 14 – Water Pollution. Reading Guide. Vocabulary. Learn the definition of each term. The . italicized. words are not necessarily in the textbook (Check the lecture). The . bold . words require you to know more than just the definition.
[DOC File]Lesson 4 | Air and Water Resources
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Water also has a role in many chemical such as the digestion of food. d. People use water for other purposes including , transportation, and recreation. 2. Burning in homes, vehicles, and power plants produces air pollution. a. Air pollution can also be caused by …
[DOC File]Summer Science Lesson Plan: Water Pollution
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Overview/Motivation: Kids will learn about the different causes of water pollution and ways they can help prevent it. Then they will get to make their own water purifier. Materials. ... contaminating the fresh water that fish swim in and the water we humans drink.-Fertilizers/Nutrient Pollution-Oil, gasoline, and additives: big oil spills like ...
[DOC File]Point versus Non-Point Source Pollution
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How do humans affect the quality of water with point and non-point sources of water pollution in North Carolina? Pollutants. A . pollutant. is a substance or energy, like heat, that can cause . harm. to the environment and the organisms in it. Water . pollutants have a . negative. effect on the water . system . or . living . things that depend ...
[DOC File]APES Ch 22 Study Guide WATER POLLUTON
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Water pollution- any physical or chemical change in water that adversely affects the health of humans and other organisms Sewage- wastewater from drains or sewers Biochemical oxygen demand (BOD)- amount of oxygen needed by microorganisms to decompose biological wastes into …
[DOC File]013368718X_CH02_015-028.indd - Livingston Public Schools
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Resources like soil, water, and air are not likely to run out. However, they can become too polluted too quickly to help support life on Earth. Humans can slow down negative effects on soil, water, and air resources. Study the chart below. The first column lists three resources: soil, water, and air.
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