Answer: The process of reducing or removing minerals from water is called desalination.
Explanation:
The most commonly involved in this process is seawater, which by its nature contains large amounts of salt. This process makes it possible to remove salt from the water and obtain drinking water. The coastal and island regions often have great difficulty in supplying drinking and process water. As a result, permanent or occasional shortages of water and all the resulting consequences are becoming increasingly frequent.
Furthermore, in the future, due to a possible lack of water, this process could be crucial in supplying humanity with drinking water. Today, some countries (such as Saudi Arabia) that have a water scarcity problem are actively using this technique to supplement the required quantities of water.
The correct answer is - A. reduce the amount of sediment deposited on floodplains and increase the amount of sediment deposited at the river's mouth.
The Mississippi River is one of the biggest rivers in the world. It is also a river that carries with it very large amount of sediments. The levees built along side it though do not allow the natural process of deposition of sediments on the floodplains of the river. That results in the river carrying the sediments down to the river mouth. Because of this, the river mouth is becoming an ever-growing delta because of the constant deposition of very large amounts of sediments. This also causes lot of the sediments to end in the coastal parts of the sea, which makes the sea waters shallower and murkier, as well as creating new land forms alongside the coast from the deposited material.
I think that the two regions would be the Temperate Zone and the Polar Zone, as they're the only climate regions to the south of the 20<span>°S latitude. Check a world latitude map and compare it with a climate map if you're still unsure.</span>