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Questions and Answers
What is the primary source of heat for the Earth's surface?
What is the primary source of heat for the Earth's surface?
- Infrared radiation from the atmosphere
- Geothermal energy from the Earth's core
- Heat generated by human activities
- Solar radiation from the Sun (correct)
What effect does an increase in albedo have on the Earth's temperature?
What effect does an increase in albedo have on the Earth's temperature?
- It causes the Earth's temperature to decrease (correct)
- It causes the Earth's temperature to increase
- It leads to unpredictable fluctuations in temperature
- It has no effect on the Earth's temperature
Which atmospheric component is most responsible for trapping heat and maintaining Earth's temperature?
Which atmospheric component is most responsible for trapping heat and maintaining Earth's temperature?
- Nitrogen
- Oxygen
- Carbon dioxide (correct)
- Water vapor
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Study Notes
Earth's Surface Heat
- The primary source of heat for the Earth's surface is the sun's energy.
Albedo Effect
- An increase in albedo (reflectivity of the Earth's surface) leads to a decrease in the Earth's temperature, as more solar radiation is reflected back into space.
Heat Trapping
- Greenhouse gases, particularly carbon dioxide, are the atmospheric components most responsible for trapping heat and maintaining Earth's temperature.
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