Anything that takes up space
I would say your answer is <span><span>The Earth’s surface is responsible for a small fraction of heat radiation to space</span>
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Copernicus' model: "Sun-centered," or "heliocentric"
Copernicus thought that the planets orbited the Sun, and that the Moon orbited Earth. ... Copernicus was correct about some things, but wrong about others. The Sun is not in the center of the universe, and it does move, as do the stars.
4 mps increase in 10 seconds = 2 mps increase in 5 seconds = .4meters/2sec
<span>Cell Membrane which is a Selectively Permeable Membrane.
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