M3 Human Impact on the Environment

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What is deforestation?

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Deforestation is the clearing or thinning of forests by humans, which can lead to environmental issues such as increased carbon dioxide levels and loss of biodiversity.

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How does deforestation affect Earth's temperature?

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Deforestation can lead to increases in Earth's average surface temperature by reducing the number of trees that absorb carbon dioxide, a greenhouse gas.

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What is soil erosion?

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Soil erosion is the removal of the top layer of soil, which can be caused by deforestation, leading to loss of nutrients and land degradation.

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What is the impact of planting trees on carbon dioxide levels?

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Planting more trees helps absorb carbon dioxide from the atmosphere, thereby decreasing its concentration and mitigating climate change.

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What is photochemical smog?

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Photochemical smog is a type of air pollution that occurs when sunlight reacts with nitrogen oxides and volatile organic compounds, leading to harmful effects on health and the environment.

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How can we reduce photochemical smog?

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Using sources of energy other than fossil fuels can help decrease the amount of photochemical smog by reducing emissions of nitrogen oxides and volatile organic compounds.

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What is acid precipitation?

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Acid precipitation refers to rain, snow, or fog that has a lower pH than normal, often caused by pollutants like sulfur dioxide and nitrogen oxides in the atmosphere.

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NGSS.MS-ESS3-4

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What causes acid precipitation?

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Acid precipitation is caused when moisture in the atmosphere combines with sulfur dioxide and nitrogen oxides, often from industrial emissions.

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What is the relationship between air pollution and acid precipitation?

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Acid precipitation increases when air pollution levels are high, as more pollutants are available to react with moisture in the atmosphere.

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What are the effects of acid precipitation on the environment?

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Acid precipitation can harm aquatic ecosystems, damage forests, and degrade soil quality, affecting plant and animal life.

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NGSS.MS-LS1-5

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