Ptolemy was an astronomer and mathematician. He believed that the Earth was the center of the Universe. The word for earth in Greek is geo, so we call this idea a "geocentric" theory.With the development of the heliocentric model by Nicolaus Copernicus in the 16th century, the Sun was believed to be the center of the Universe, with the planets (including Earth) and stars orbiting it.
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The primary difference between weathering and erosion is that weathering occurs in place whereas erosion involves movement to a new location. Both are caused by similar factors of wind, water, ice, temperature, and even biological action. They can also occur together.
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Answer: I am not sure what the answer is but it is NOT "Scientific tools are inaccurate"!!!
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muscular system helps move the body
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Answer:Yes
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Can they have a O blood type child? Yes, yes they can, plus they may end up on a different blood type
