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All options are wrong here.
The correct answer is..
Work/Time.
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When the Sun's energy moves through space, it reaches Earth's atmosphere and finally the surface. This radiant solar energy warms the atmosphere and becomes heat energy. This heat energy is transferred throughout the planet's systems in three ways: by radiation, conduction, and convection.
Answer:
They developed during the Cambrian time period, which was around 530 million years ago.
Explanation:
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