Think of a social Pyramid with the pharaoh at the top and the peasants at the bottom . In the middle were government officials, priests, artisans , and scribes . Each of the classes I listed lived very different lives .
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Limestone areas are predominantly affected by chemical weathering when rainwater, which contains a weak carbonic acid, reacts with limestone. This causes the limestone to dissolve. Carbon dioxide from the respiration of animals (and ourselves) is one cause of increased carbon dioxide in the atmosphere.
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thnxs....for free point dude
The two gasses in the troposphere that play vital role in heat absorption are the water vapor and the carbon dioxide. Both of them are gasses that trap both part of the solar heating, and part of the Earth's heating, and they play a vital role in the regulation of the temperature on the Earth with the process better known as ''Greenhouse effect''.
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The atmosphere protects the Earth from radiation and cosmic rays coming from the outer space. The ozone layer in the Earth's atmosphere protects the Earth from harmful ultraviolet radiations. The dense layers of molecular gases absorb the cosmic rays, gamma rays, and x-rays thereby blocking most of the harmful effects.
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