Answer:
Trade Routes. Mesopotamia's rivers and location in central Asia supported extensive trade routes. ... This allowed Mesopotamia to access resources not native to its region, like timber and precious metals. In turn, Mesopotamia developed key aspects of civilization, like a token system to keep trading records
B.) Wave erosion
Beaches, spits, sandbars and barrier beaches are all land features that are created by WAVE EROSION.
Wave erosion creates beaches when eroded sediments from rocks and cliffs are transported to the beach.
Beaches are made from mineral grains and pieces of shell or coral.
Spit is identified as a sand connected to land and extending towards the waters.
Number one is "sand dunes".
Number two is "the breakdown of rock through mechanical disintegration and physical stress."
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