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Recap: The Four Spheres of the Earth

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Questions and Answers

What role does the Earth's atmosphere play in regulating the climate?

Absorbing and redistributing heat from the sun (correct)

Absorbing carbon dioxide for photosynthesis

Increasing global warming through human activities

Creating clouds through evaporation

Which process is responsible for moving water through the hydrosphere?

Runoff (correct)

Photosynthesis

Condensation

Respiration

What is the main component of the Earth's hydrosphere?

Water (correct)

Minerals

Carbon dioxide

Oxygen

Which study focuses on the Earth's hydrosphere and its processes?

Oceanography Signup and view all the answers

What is the most significant impact of human activities on the hydrosphere?

Affecting water quality and availability Signup and view all the answers

Which layer of the Earth is divided into tectonic plates that are in constant motion?

Lithosphere Signup and view all the answers

Which layer of the atmosphere is closest to the Earth's surface?

Troposphere Signup and view all the answers

What percentage of the Earth's atmosphere is composed of nitrogen?

78.08% Signup and view all the answers

Which gas is present in Earth's atmosphere at around 0.04%?

Carbon Dioxide Signup and view all the answers

What effect does the atmosphere have on reducing temperature extremes between day and night?

Reduces temperature extremes Signup and view all the answers

Which field of study focuses on processes like global warming and ozone depletion?

Atmospheric Science Signup and view all the answers

What is the main function of Earth's atmosphere in relation to life on the planet?

Absorbing solar radiation and meteoroids Signup and view all the answers