<span>The
higher the altitude, the lower the atmospheric pressure. Lower pressure
in turn causes water to evaporate more quickly, and water actually
boils at a lower temperature. The percentage of oxygen in the air at two
miles (3.2 km.) is the same as at sea level (21%). However, the air
pressure is 30% lower at the higher altitude due to the fact that the
atmosphere is less dense--that is, the air molecules are farther apart.
The important effect of this decrease in pressure is this: in a given
volume of air, there are fewer molecules present. This is really just
another way of saying that the pressure is lower. This is called Boyle's
law.</span>
The Middle East has 4 different climatic regions. East coast, mountainous region, gravel planes, and the desert region.
Gaining stream describes a stream which receives water through the inflow of groundwater through the stream bed.
Groundwater that enters a gaining stream is coming from a saturated zone. Gaining stream channels are typically at or below the water table level. When the water table crosses the land surface over a large, relatively flat area, bodies of water and marshes are formed.
The channels of gaining streams are usually at or below the level of the water table. Bodies of water and marshes form when the water table intersects the land surface over a broad, fairly flat area.
"Gaining stream," which typically draws water from the earth. The term "losing streams" refers to streams that leak water into the earth from the streambed. Rivers can grow and shrink in different places; they can grow at one point in the year and shrink at another. Additionally, even a stream that is growing will be losing some water, as the yellow arrow illustrates, and vice versa.
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Answer:
918, at the end of World War I.
Explanation:
People dress differently to suit the temperature outside.
