Human Impact and Earths Resources

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What are fossil fuels?

Back

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

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Why are fossil fuels considered a nonrenewable resource?

Back

Fossil fuels are considered nonrenewable because they take millions of years to form and cannot be replenished within a human timescale.

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What is an invasive species?

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An invasive species is a non-native organism that, when introduced to a new environment, can cause harm to the ecosystem, economy, or human health.

Front

What is the primary cause of invasive species introduction?

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The primary cause of invasive species introduction is human actions, such as trade, travel, and habitat alteration.

Front

What are the major sources of air pollution?

Back

The major sources of air pollution include emissions from factories, vehicles, and burning fossil fuels.

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What is hydroelectric power?

Back

Hydroelectric power is energy generated from the movement of water, typically through dams or water turbines.

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What is deforestation?

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Deforestation is the large-scale removal of trees from forested areas, often resulting in damage to the quality of the land.

Front

What is one major cause of deforestation?

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Urbanization is a major cause of deforestation as cities expand and require more land for development.

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What are renewable resources?

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Renewable resources are natural resources that can be replenished naturally over time, such as solar energy, wind energy, and biomass.

Front

What is the impact of pollution on ecosystems?

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Pollution can harm ecosystems by contaminating air, water, and soil, leading to loss of biodiversity and health issues for living organisms.