Human Impact on the Environment

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What is deforestation?

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The clearing or thinning of forests by humans, often resulting in loss of habitat and biodiversity.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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What is the primary consequence of deforestation?

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Loss of habitat for approximately 70% of the world's species.

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NGSS.HS-LS2-7

NGSS.HS-LS4-5

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What is the ozone layer?

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A region of Earth's stratosphere that contains a high concentration of ozone (O3) and protects living organisms from harmful ultraviolet (UV) radiation.

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What are the effects of ozone layer depletion?

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Increased UV radiation reaching the Earth's surface, leading to higher rates of skin cancer and other health issues.

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NGSS.HS-PS4-4

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What is global warming?

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The long-term increase in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases.

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NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

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Which gas is primarily responsible for global warming?

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Carbon dioxide (CO2).

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NGSS.MS-ESS3-5

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What is habitat destruction?

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The process in which natural habitat is rendered unable to support the species present, often due to human activities.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

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What are some common products made from trees?

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Wooden furniture, paper, and books.

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What is smog?

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A type of air pollution that is a mixture of smoke and fog, often caused by the interaction of sunlight with pollutants.

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What causes smog?

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The interaction of sunlight with pollutants produced by fossil fuels.