Question

the migrating barkhans are a threat to the desert life. give reason.

Answer 1

Answer:

As given under.

Explanation:

• A barchan is a crescent-shaped dune, they are formed by the erosion and deposition of the transported materials can travel as much as 2300 miles, the migration of these dunes is considered as a threat to the desert life as they may encourage the oasis burying the palm trees and houses.

• Thus the dunes hence a be a severe threat to the soil fertility and most of thee dunes have been observed on the mars that are produced by the strong winds and the dust. Their rate of migration is about 100 meters per year.

• Hence various pasture lands and city zones are separated by the breaking wires and trees are planted.