Question

what do you mean by deforestation and afforestation
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Answer 1

Afforestation is defined as the process of planting the trees in a previously infertile environment. It is done to control carbon footprint and to improve the longevity of the natural environment. Deforestation is defined as the destruction of trees and forests for human residency and use.

Answer 2

Answer:

400kg satellite in circular orbit of radius 2rᴇ about the earth. calculate the kinetic energy, potential energy and total energy of the satellite.