The correct answer is - (1) rising expanding cooling condensation.
At first there's the evaporation of water, since the water vapor is less dense than the air it rises up and starts to expend as it goes further upwards in the atmosphere. Once it reaches the upper layers of the troposphere than the cooling process starts because the temperature is decreasing with the altitude. Because of the cooling the process of condensation will start taking place and thus the formation of clouds were the water vapor returns to liquid form and creates rain. The cycle repeats its self all the time.
<span>Conduction probably is the main method in the crust, but do not underestimate fluid convection. Every time you find a hot spring, then that is an example of fluid convection. ... Since these two are separate heat transfer from the outer core to the mantle is also mainly by conduction</span>
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The Origin of Islam: According to Secular History. The origin of Islam can be traced back to 7th century Saudi Arabia. Islam is thus the youngest of the great world religions. The prophet Muhammad (circa 570-632 A.D.) introduced Islam in 610 A.D. after experiencing what he claimed to be an angelic visitation.
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