Human Impacts on Earth's Systems

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What is the atmosphere?

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The atmosphere is the layer of gases surrounding the Earth, which is essential for life as it provides air to breathe and protects us from harmful solar radiation.

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What is the biosphere?

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The biosphere is the global sum of all ecosystems, where life exists, including land, water, and the atmosphere.

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What does recycling mean?

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Recycling is the process of converting waste materials into reusable materials to reduce waste and conserve resources.

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NGSS.MS-PS1-3

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What does reusing mean?

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Reusing means finding new ways to use items instead of throwing them away, which helps reduce waste.

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NGSS.MS-ESS3-3

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What does reducing mean?

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Reducing means minimizing the amount of waste we create by using fewer resources and being more efficient.

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NGSS.MS-ESS3-3

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What is an example of recycling?

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An example of recycling is collecting aluminum cans and processing them to make new cans.

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NGSS.MS-ESS3-3

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What is an example of reusing?

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An example of reusing is using a glass jar to store food instead of buying new containers.

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What is an example of reducing?

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An example of reducing is turning off lights when leaving a room to save electricity.

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NGSS.MS-ESS3-3

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How do harmful gases affect the atmosphere?

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Harmful gases can degrade air quality, leading to health problems for humans, plants, and animals.

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What is the impact of plastic waste on the biosphere?

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Plastic waste can harm wildlife and ecosystems, as animals may ingest plastic or become entangled in it.

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NGSS.MS-LS2-4