Unit 1 Environmental science

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What is Hydroelectric Power?

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Hydroelectric Power is electrical energy generated from the force of moving water. It is the most widely used type of renewable energy.

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NGSS.MS-PS3-4

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Why are fossil fuels classified as nonrenewable?

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Fossil fuels are classified as nonrenewable because they take millions of years to replace.

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What does the energy pyramid represent?

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The energy pyramid represents the distribution of energy among different trophic levels in an ecosystem, with less energy available at higher levels.

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NGSS.MS-LS2-3

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What is Natural Selection?

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Natural Selection is the process where better-adapted organisms survive and pass their advantageous traits to their offspring.

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NGSS.MS-LS4-4

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Why are advantageous traits more likely to be passed on?

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Advantageous traits are more likely to be passed on because organisms with these traits are more likely to survive and reproduce.

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NGSS.MS-LS4-4

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What is a renewable energy source?

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A renewable energy source is an energy source that can be replenished naturally, such as solar, wind, and hydroelectric power.

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What are fossil fuels?

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Fossil fuels are natural substances formed from the remains of ancient plants and animals, including coal, oil, and natural gas.

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What is the significance of biodiversity in ecosystems?

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Biodiversity is important for ecosystem stability, resilience, and the provision of ecosystem services.

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NGSS.MS-LS2-5

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What is the greenhouse effect?

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The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases in the atmosphere.

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NGSS.HS-ESS2-4

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What are the main types of renewable energy?

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The main types of renewable energy include solar energy, wind energy, hydroelectric power, geothermal energy, and biomass.

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NGSS.HS-ESS3-4