According to the given statement Mangrove forests were traditionally viewed as unproductive wastelands.
The correct option is A.
Erosion is the movement of atom away from the middle. As an example of erosion, consider a little rock piece being blown away from a slope by the wind. Rock and soil deterioration caused by chemical processes is known as chemical weathering.
Mountain peaks and the soil both experience erosion. Rocks are broken up by chemical and mechanical forces brought about by water and chemicals that enter them. In fact, erosion in one place can raise lower areas. Imagine a river and a mountain range.
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