<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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Answer: The correct answer is B.
Explanation:
Reflected a combination of American and African influences
Answer:
They lost hundreds of soldiers including several officers. This gave the Americans the courage and confidence that they could stand up to the British in battle. Many more colonists joined the army after this battle and the revolution continued to grow in strength.
Explanation:
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when a family is impoverished, many of the children in the family work to help out with money issues. children will usually work illegally in odd jobs or in their community to provide some money for the bills and other expenses.
<span>transports first of all, to make trade easier: more highways, especially the one connecting to other countries. And new, bigger and more efficient airports, both for tourism and commerce. Oher structures that have been made more modern and functional are for example hotels, to guest more people.</span>
