Answer:
More than 300,000 people moved to California during the Dust Bowl to start over because of the damage to land caused by the Dust Bowl. Because of the Great Depression, many of the farmers who migrated to the cities to look for work due the Dust Bowl's destruction of their land could not find employment.
Explanation:
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Answer:
The Earth's outer crust (the lithosphere) is composed of a series of tectonic plates that move on a hot flowing mantle layer called the asthenosphere. Heat within the asthenosphere creates convection currents that cause tectonic plates to move several centimeters per year relative to each other.
He applied his skill in engineering to toughen up the defence
The correct answer is D. Total growth minus increases in capital and labor.