Question

What is the original source of most of the energy that people use?
A. Energy that reaches Earth’s surface by radiation from the Sun.
B. Energy that reaches Earth’s surface by convection from the Sun.

Answer wisely.

Answer 1

Answer:

A. All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. Radiation i

B. Radiation is the transfer of heat energy through space by electromagnetic radiation. Most of the electromagnetic radiation that comes to the earth from the sun is invisible. Only a small portion comes as visible light. Light is made of waves of different frequencies.

Explanation:

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