<u>Answer:</u>
The historical backdrop of <em>South America is the investigation of the past, especially the composed record, oral chronicles, and conventions</em>, went down from age to age on the landmass of South America.
South America has a history that has a wide scope of human societies and types of progress.
The Norte Chico human advancement in Peru is the most seasoned development in the <em>Americas and one of the initial six autonomous civic establishments on the planet; it was contemporaneous with the Egyptian pyramids.</em>
Answer:
negative charges are attracted to positive charges.
Explanation:
opposite charges attract each other while like charges repel each other
<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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He used them to develop the plot. He was a master at plot development. Bierce loved to develop the plot through a sequence of events even if it made the reader uncomfortable.