Definitely not A or D. Both B and C could be applicable
Answer:
The Mexican Revolution (1910-1920) then increased the flow: war refugees and political exiles fled to the United States to escape the violence. Mexicans also left rural areas in search of stability and employment. As a result, Mexican migration to the United States rose sharply
Explanation:
Answer:what is a aquier? An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials. Groundwater can be extracted using a water well. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology.An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials. Groundwater can be extracted using a water well. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology.where is it usually found?Groundwater can be found in a range of different types of rock, but the most productive aquifers are found in porous, permeable rock such as sandstone, or the open cavities and caves of limestone aquifers
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