how sand bags help prevent flooding, yet sand is also used for drainage since it’s porous and water easily flows through it? 70 views4 hours agoEngineeringOther Question99.43K 7 hours ago 0 Comments how sand bags help prevent flooding, yet sand is also used for drainage since it’s porous and water easily flows through it? In: Engineering 6 Answers ActiveNewestOldest Anonymous Posted 6 hours ago 0 Comments One sandbag doesn’t do much, because as you said, sand is porous. However, put a few 50 pound bags of sand on top of each other and they are much less porous, as they are compacted. You are viewing 1 out of 6 answers, click here to view all answers. Register or Login
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