A traditional flood control method used to keep a stream's flow in its channel is known as <em /><u>artificial levees.
</u>Artificial levees are forms of dykes or floodbanks used to regulate water levels and prevent any flooding from happening. <u>
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The vaccine helps your immune system the immune system is better
An important role in fungi in an ecosystem is B. Breakind down dead organisms.
A- construct a hypothesis
