They are made by melting glaciers
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When companies remove trees from an area deforested land is negative rather than positive. I hope that this is the answer that has helped you.
Coastal erosion may be caused by hydraulic action, abrasion, impact and corrosion by wind and water, and other forces, natural or unnatural. ... Also erosion commonly happens in areas where there are strong winds, loose sand, and soft rocks. The blowing of millions of sharp sand grains creates a sandblasting effect.p
C.
Irrigation has taken water away from the rivers that feed the sea.
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