Answer:
With a radius of 3,959 miles (6,371 kilometers), Earth is the biggest of the terrestrial planets, and the fifth largest planet overall. From an average distance of 93 million miles (150 million kilometers), Earth is exactly one astronomical unit away from the Sun because one astronomical unit (abbreviated as AU), is the distance from the Sun to Earth. This unit provides an easy way to quickly compare planets' distances from the Sun.
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The correct answer is C.) - the Isthmus of Panama. Isthmus is a narrow strip of land and the Isthmus of Panama was the optimal place for a channel between the two oceans.
Jimmy Carter is known to be an American politician as well as the 39th President of the United States. During his presidential campaign, he asked the Americans to cast their votes for him for the reason that he could restore that faith of the Americans in their government after the incident of Watergate scandal. The answer is option D.
The Hawley-Smoot act was a statute in the US that introduced protectionist trade policies. This act was aimed at supporting american farmers, agriculture and industrial products have risen by 20%.
