How does the earths atmosphere get heated

Short wavelength radiation from the sun.

Explanation:

Okay, Look at the explaination.

Explanation:

The atmosphere is heated in several ways - heat from the core of the planet, by radiation from the Sun, conduction from contact with warm land and water, convection to even out the temperature and by absorption of actinic radiation from the nice and cozy land and water. Then, convection then spreads and evens out the warmth.

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which elements do geologists measure to determine the age of an organism’s remains? check all that apply.

carbon-14

nitrogen

carbon-12