Understanding Earth's Greenhouse Effect

What is the greenhouse effect?

• The process by which plants grow faster in a greenhouse.

• The trapping of the Sun's warmth in the Earth's lower atmosphere.

• The reflection of sunlight by the Earth's surface.

• The cooling of the Earth's atmosphere by clouds.

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Which type of radiation is primarily involved in the greenhouse effect?

• Ultraviolet radiation

• Infrared radiation

• X-ray radiation

• Microwave radiation

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How do greenhouse gases warm the Earth's atmosphere?

• By reflecting sunlight back into space.

• By absorbing and re-emitting infrared radiation.

• By blocking ultraviolet radiation.

• By increasing the Earth's albedo.

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Which of the following is a major greenhouse gas?

• Oxygen

• Nitrogen

• Carbon dioxide

• Argon

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How have human activities affected the greenhouse effect?

• By decreasing the amount of greenhouse gases in the atmosphere.

• By increasing the amount of greenhouse gases in the atmosphere.

• By eliminating all greenhouse gases.

• By having no impact on greenhouse gases.

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What is one consequence of an enhanced greenhouse effect?

• Decreased global temperatures

• Increased global temperatures

• More stable weather patterns

• Decreased sea levels

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Which human activity is a significant source of carbon dioxide emissions?

• Planting trees

• Burning fossil fuels

• Using solar panels

• Riding bicycles

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What is climate change?

• A short-term change in weather patterns.

• A long-term change in the average weather patterns.

• A temporary cooling of the Earth's surface.

• A permanent increase in the Earth's albedo.

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Which of the following is a potential impact of climate change?

• More frequent and severe weather events

• Decreased plant growth

• Increased stability of ecosystems

• Lower sea levels

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What can be done to reduce the impact of the enhanced greenhouse effect?

• Increase the use of fossil fuels

• Reduce deforestation and increase reforestation

• Increase industrial emissions

• Decrease the use of renewable energy sources

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