Human Impact on the Environment

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What is deforestation?

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The clearing or thinning of forests by humans, which can lead to loss of habitat for wildlife and contribute to climate change.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

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What is the most dramatic result of deforestation?

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

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

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What is overfishing?

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The practice of catching fish at a rate faster than they can reproduce, leading to a decline in fish populations.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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What is the impact of overfishing on ecosystems?

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Ecosystems can be severely damaged, disrupting food chains and leading to the decline of other species.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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What is acid rain?

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Rain that is made acidic by pollutants in the atmosphere, particularly nitrogen and sulfur compounds, which can harm ecosystems.

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NGSS.MS-LS1-5

NGSS.MS-LS2-4

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What causes acid rain?

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The mixing of nitrogen and sulfur-containing compounds with water in the atmosphere.

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NGSS.MS-PS1-2

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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 from fossil fuels.

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What causes smog?

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The interaction of sunlight with pollutants produced by fossil fuels.

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What is the ozone layer?

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A region of Earth's stratosphere that absorbs most of the Sun's harmful ultraviolet radiation.

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What happens if the ozone layer is depleted?

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Increased levels of UV radiation can lead to higher rates of skin cancer among humans.

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NGSS.HS-PS4-3