Question

what is the earth what its functions​

Answer 1

Answer:

Earth is a third planet from the sun and the only astronomical object know to harbour life

Answer 2

Answer:

Earth is a ball of gases minerals and elements.The composition of gases is the result of life on earth .Earth revolbe around the sun in well defined orbit.

The earth has some favourable atmosphere which make life possible here.

It consists of atmosphere,lithosphere,hydrosphere.

The life supporting zone where the hydrosphere the lithosphere and the atmosphere interact is called biosphere.