EARTH'S SPHERES

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What are the four spheres of Earth?

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The four spheres of Earth are the biosphere, hydrosphere, atmosphere, and geosphere.

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What is the biosphere?

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The biosphere is the global sum of all ecosystems, where all living organisms exist.

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What is the hydrosphere?

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The hydrosphere includes all the water on or near the Earth's surface, such as oceans, rivers, lakes, and groundwater.

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What is the atmosphere?

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The atmosphere is the layer of gases surrounding Earth, essential for life and weather.

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What is the geosphere?

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The geosphere is the solid part of the Earth, including rocks, soil, and landforms.

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How do the biosphere and atmosphere interact?

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The biosphere and atmosphere interact through processes like photosynthesis and respiration, where plants take in carbon dioxide and release oxygen.

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What is an example of the hydrosphere affecting the biosphere?

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An example is how water availability in lakes and rivers supports plant and animal life.

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What is the significance of the Earth's spheres being interconnected?

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The interconnectedness of Earth's spheres means that changes in one sphere can affect the others, impacting ecosystems and climate.

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What role does the atmosphere play in weather?

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The atmosphere contains gases that trap heat and moisture, influencing weather patterns and climate.

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What is an example of pollution affecting the atmosphere?

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Factories burning fossil fuels release pollutants into the atmosphere, contributing to air quality issues.