Question

solly ritesh bcz leave kal lahi hu ol tum on bi nahi ho :(​

Answer 1

Answer:

Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, carbonate or sulfide. It is the gradual destruction of materials by chemical and/or electrochemical reaction with their environment.

Answer 2

Explanation:

The four realms of the earth :

Lithosphere,

Hydrosphere,

Biosphere.

Atmosphere.