Asked by yfg
Describe two similarities between the formation of a delta and the formation of a canyon.
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1) Both are formed by the action of running water. Rivers erode, transport, and deposit material; the same fluvial processes that cut a canyon (downcutting and lateral erosion) also carry and sort the sediments that build a delta.
2) Both develop gradually over long time and record changes in flow and environment. Their shapes depend on river discharge, gradient, and the resistance of bedrock or sediment, and both preserve layers (a delta by deposited beds, a canyon by exposed strata) that record past conditions.
2) Both develop gradually over long time and record changes in flow and environment. Their shapes depend on river discharge, gradient, and the resistance of bedrock or sediment, and both preserve layers (a delta by deposited beds, a canyon by exposed strata) that record past conditions.
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