The answer to your question is solar radiation hitting the earth, a sphere which is tilted on its axis, puts into effect differential heating of the earth's surface. This affects weather and climate all across the globe. For example, the tropics along the equator get a lot more heat than at the poles. The air at the equator is heated.
Answer:
Green light is considered the least efficient wavelength in the visible spectrum for photosynthesis, but it is still useful in photosynthesis and regulates plant architecture. Sometimes one may hear that plants don't use green light for photosynthesis, they reflect it.
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