<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:
Motives. Spain encouraged settlements in the New World to strengthen her claims to territory; to secure gold, silver, and valuable agricultural produce, such as sugar and indigo (a blue dye).
Explanation:
Answer:
Native Americans did not want to change their culture, and they did not want to give up
their land.
Explanation:
I mean, would you? some one from another country kicked you out of your home and said " hahahaaha this is mine now go out west where you have no clue how to live! hahahaha"
stories were assed down orally, such as down family generations or by storytellers in a king's court
Pennsylvania to have the endorsement of Benjamin Franklin and Virginia whose representatives where a who's who
