Question

give geographical reason - earth is protected because of the magnetosphere

Answer 1

because the gravitational force experienced on the earth ensures the safekeeping of the atmosphere

Answer 2

Answer:

Here's ur Answer Mate:-

Life on Earth initially developed and continues to be sustained under the protection of this magnetic environment. The magnetosphere shields our home planet from solar and cosmic particle radiation, as well as erosion of the atmosphere by the solar wind - the constant flow of charged particles streaming off the sun.

Hope it helps uh!