theonlyphat3999 theonlyphat3999

27-02-2024
Geography

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Soil erosion in an area is $3.0 cm per year. The soil profile is $2.4 m thick and $25$ percent of that is topsoil. How long will it take for the topsoil to erode away? Show your work.

a. 20 years
b. 40 years
c. 60 years
d. 80 years

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