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Carbon Dioxide and Methane's Impact on Earth's Energy Balance

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Carbon Dioxide and Methane's Impact on Earth's Energy Balance

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Questions and Answers

Why does an increase in carbon dioxide and methane in the atmosphere lead to a higher temperature on Earth?

They enhance the ozone layer, leading to a greenhouse effect.

They block incoming solar radiation, causing a build-up of heat on Earth's surface.

They absorb energy from the Sun and trap it inside the atmosphere.

They absorb outgoing infrared energy emitted by Earth's surface and redirect it back towards the surface. (correct)

Why are greenhouse gases crucial for sustaining life on Earth?

They prevent harmful UV radiation from reaching the Earth's surface.

They absorb and redirect energy, balancing the energy flow in and out of the Earth system. (correct)

They trap heat in the atmosphere, maintaining stable global temperatures.

They regulate the planet's temperature, preventing extreme heat or cold.

How does methane differ from carbon dioxide in its efficiency as a greenhouse gas?

Methane persists in the atmosphere for a longer period than carbon dioxide.

Methane absorbs more solar radiation than carbon dioxide.

Methane is more effective at absorbing and redirecting energy than carbon dioxide. (correct)

Methane is less efficient at trapping heat in the atmosphere compared to carbon dioxide.

What is the primary effect of sulfur dioxide in the atmosphere?

Forming sulfuric acid that reflects incoming visible light Signup and view all the answers

How does ozone primarily affect energy in the stratosphere?

By absorbing ultraviolet light energy Signup and view all the answers

What is the short-term effect of adding sulfur dioxide to the atmosphere?

Causing cooling by reflecting incoming visible light Signup and view all the answers

What is a major source of carbon dioxide released into the atmosphere by human activity?

Combustion of fossil fuels Signup and view all the answers

Which human activity contributes significantly to methane emissions in the atmosphere?

Landfills Signup and view all the answers

Why is methane released by the keeping of livestock considered a significant contributor to greenhouse gases?

Because of the animals' digestion process Signup and view all the answers

How does deforestation contribute to the increase of carbon dioxide in the atmosphere?

By releasing stored carbon when trees are cut down Signup and view all the answers