Explanation:
A equals 2d divided by 1^2
The stock market crashed a little after Hoover took office and the Great Depression became the central issue of his presidency. Hoover pursued a variety of policies in an attempt to lift the economy but opposed directly involving the federal government in relief efforts.
Ancient China, or Ancient Egypt
Answer: "contiguity" .
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Answer:
The global grid covers all of the Earth's surface.
