<span>Sand dunes can encroach on human habitats. Sand dunes move through a few different means, all of them assisted by wind. One way that dunes can move is through saltation, where sand particles skip along the ground like a rock thrown across a pond might skip across the water's surface. When these skipping particles land, they may knock into other particles and cause them to skip as well. With slightly stronger winds, particles collide in mid-air, causing sheet flows. In a major dust storm, dunes may move tens of meters through such sheet flows. And like snow, sand avalanches, falling down the steep slopes of the dunes that face away from the winds, also moving the dunes forward.
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The correct answer is B. In Nassau County, New York
Explanation:
The word "Levittown" refers to different massive suburbs that were created after the World War in the U.S. and Puerto Rico and that were called "Levittown" because these suburban developments were created by the company Levitt & Sons. The objective of these suburban areas was to prove an alternative to cities especially to those that return from the war and their families. The first Levittown was built in New York in Nassau County, Long Island between 1947 and 1947 and this was followed by a Levittown in Pennsylvania (1952), New Jersey (1958) and later Puerto Rico (1963). Therefore, it can be concluded the first Levittown was built in Nassau County, New York.
Darius the great conceptualize his empire by emphasizing the system of Taxation to gain more financial wealth for the kingdom.
He expect all the tax collector should be very honest and should not accept bribery
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