There is wind because if the convection currents in the air!!!!! So land heats up faster and hot air rises and cool aur rushes in to take its place hope this helped
<span>Answer:
Mercosur try to improve trade in South America by expanding trade, improve transportation, and reduce tariffs among member countries.</span>
The Hoover dam, and it is used for flood and silt control, hydroelectric power, agricultural irrigation, and domestic water supply.
