Atmosphere

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What is the atmosphere?

Back

The atmosphere is a layer of gases surrounding the Earth, essential for life, providing oxygen, and protecting from harmful solar radiation.

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What are the main components of the atmosphere?

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The main components of the atmosphere include nitrogen (78%), oxygen (21%), argon (0.93%), carbon dioxide (0.04%), and trace gases.

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What is water vapor?

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Water vapor is the gaseous state of water present in the atmosphere, playing a crucial role in weather and climate.

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What is the role of dust and pollen in the atmosphere?

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Dust and pollen are particles that can affect air quality and weather patterns, and they serve as nuclei for cloud formation.

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What is global warming?

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Global warming refers to the long-term increase in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases.

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How do greenhouse gases affect the atmosphere?

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Greenhouse gases trap heat in the atmosphere, preventing it from escaping into space, which leads to an increase in global temperatures.

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What is photosynthesis?

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Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen, removing carbon from the atmosphere.

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What is the troposphere?

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The troposphere is the lowest layer of the atmosphere where most weather occurs, extending from the Earth's surface up to about 8-15 kilometers.

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What happens to air temperature as altitude increases?

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As altitude increases, air temperature generally decreases because the air becomes less dense.

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What is the stratosphere?

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The stratosphere is the second layer of the atmosphere, located above the troposphere, characterized by a temperature increase with altitude and the presence of the ozone layer.