Multiple Choice
What is the ultimate source of energy for photosynthesis?
8. Thermochemistry
Nature of Energy
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Which of the following most accurately describes the Earth's energy cycle?
A
The Earth receives energy from the Sun and radiates it back into space.
B
The Earth absorbs energy from the Moon and releases it as heat.
C
The Earth's energy cycle is primarily driven by tidal forces.
D
The Earth generates its own energy through geothermal processes.
Verified step by step guidance1
Identify the primary source of energy for the Earth, which is the Sun. The Earth receives solar energy in the form of sunlight.
Understand that the Earth absorbs this solar energy, which warms the planet and drives various processes such as weather and climate.
Recognize that the Earth does not generate significant energy from the Moon; instead, the Moon influences tides through gravitational forces.
Acknowledge that geothermal processes do generate some energy within the Earth, but this is not the primary driver of the Earth's energy cycle.
Conclude that the Earth's energy cycle involves receiving energy from the Sun and radiating it back into space, maintaining a balance of energy input and output.
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