This layer of soil is called the A horizon.
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An alluvial fan is a triangle-shaped deposit of gravel, sand, and even smaller pieces of sediment, such as silt. This sediment is called alluvium. Alluvial fans are usually created as flowing water interacts with mountains, hills, or the steep walls of canyons.
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Hope this works and by the way do not click the bitly links they are IP grabbers
Answer:
C
Explanation:
as its border are Gulf of mexico, north america, east of central america and north of south america. so they probably migrate to US
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more hunting, more deforstation, and collecting territory
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hopefully I helped
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