Answer:
Correct answer is often formed on the dry side of mountain ranges.
Explanation:
First option is not correct as sand is covering only 20 percent of deserts, while plants can survive in desert even for a large period of time without water.
Second option is also not correct. Deserts can be found everywhere. In Asia, Africa, Australia...
Third option is correct. Mountains are blocking rainy weather, that would allow the growth of plants.
Last option is not correct. We can find deserts in cool areas.
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The only atmospheric layer containing measurable amounts of water is the <span>troposphere.
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The troposphere<span> is the first layer above the surface and contains half of the Earth's atmosphere. Weather occurs in this layer. 2) Many jet aircrafts fly in the </span>stratosphere<span> because it is very stable. Also, the ozone layer absorbs harmful rays from the Sun.</span>
Answer:
C. temperature and salinity
Explanation:
The circulation of the water in the oceans is driven by the temperature and the salinity. It is a relatively simple principle that creates the movement of the water and creates the ocean currents.
The cold water is denser, so it sinks deeper. The cold water has lower salinity as well, as the evaporation in the higher latitudes is lower. It moves toward the lower latitudes in the form of deepwater currents, or better said it is moving toward areas with less dense water and pushes the water with smaller density. As this water gets to areas that are warmer it starts to warm up. Becoming warmer and warmer makes it less dense, the salinity constantly increasing because of the evaporation, so it is pushed up toward the surface.
Once it reaches the surface, the water is becoming even warmer and less dense, so in the form of surface currents it starts to move toward the higher latitudes. This continues to happen constantly, with periodic changes in the patterns of the currents, which depends a lot on the global climate and the position of the continental masses.
