which layer or realm of the Earth deals only with water?

Which realm of the Earth mainly deals with land?

About what percentage of Earth is covered with water.

Which realm deals mainly with Living organisms?

Natural Resources like coal, Petroleum etc , are found in which layer?

Earth is also called ____ planet.

What is the most important source of salt for humans?

Which gases present in the Atmosphere, supports life on earth?

____ is the medium that carries sound waves.

I contain all of earth’s water and am related to the cryosphere. Which sphere am I?

Portion of an ocean or sea that enters land is ___________.

Which two spheres affect the water cycle the most?

I contain gaseous layers. Which sphere am I?

I consist of you, plants, animals, and everything that is living on earth. Which sphere am I?