Because it determines temperatures, wind patterns, and air pressure
Answer:
A breakdown in trading alliances change or loss of local culture a decrease in avilable jobs
Moving water.......................
Letter A. The statement that best describes 21st-century migration flow to the United States is that l<span>arge numbers of immigrants and migrant workers, including skilled and unskilled laborers and many with advanced degrees, are coming to the United States from South and Central America.</span>
This means that star A is 5 times as luminous as star B