The Great Migration, or the relocation of more than 6 million African Americans from the rural South<span> to the cities of the North, </span>Midwest<span> and West from 1916 to 1970, had a huge impact on urban life in the </span>United States<span>.</span>
Answer:
D. Mars takes a longer time to orbit the Sun than Mercury
Explanation:
Mercury is closer to the Sun than Mars, therefore it has a smaller orbit. One year on Mercury is 88 Earth days and One year on Mars is 687 Earth days.
Answer:
GEOMECHANICAL MODEL
Explanation:
It was used for engineering
The Bolsheviks revolted and took over Russia, killing the royal family and starting a new government. While doing so, they surrendered large parts of their land to Germany, including Poland. After the Russian Revolution occurred in 1917, Germany no longer had to fight a war on two fronts, and was able to shift a large portion of their army from the East to the Western Front.
The perennial system is less dependent on the Nile flood and allows the planting of multiple crops. (source: another brainly question)