How do we know the Earth is changing?

What natural events can rapidly alter the appearance of Earth's surface?

• Meteor strikes

• Volcanic eruptions

• Solar flares

• Earthquakes

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NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

What was a significant consequence of the dam construction on the Paraguay-Parana River system?

• Increased fish populations

• Decreased water pollution

• Displacement of local communities

• Enhanced agricultural productivity

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

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Which activity is a major driver of climate change according to the scientists?

• Solar panel installations

• Organic farming

• Emissions from factories and vehicles

• Deforestation

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NGSS.MS-ESS3-5

What is the visible impact of climate change on glaciers?

• Glaciers are growing larger

• Glaciers are moving faster

• Glaciers are melting

• Glaciers are unaffected

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-6

How do scientists monitor changes on Earth?

• Through social media monitoring

• By relying on historical texts

• Using satellite images and field research

• By conducting yearly global surveys

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3