Question

soil erosion must checked. give reason

Answer 1

By burning of plastic papersoil

Answer 2

Land is helpful factor helping all the other resources to develope.soil erosion causes removal of the fertile top layer of the land which degrades the fertility of soil.therefore soil erosion must be checked . Some important factors of cheking it are:            1.planting shelter belts: planting levels of trees for avoiding the removal of topsoil from air.                     2.Afforestation : planting more and more trees.