Major Domains of the Earth

The solid portion of the earth where we live is called (a)   .

The gaseous layers thta surround the earth is called the (a)   .

Water surface on earth is called the (a)   .

The narrow zone where we find land, water and air togethe is called (a)   .

The large landmasses are known as the (a)   .

Huge bodies of water is called (a)   .

Who were the first men to climb the highest mountain peak, Mt. Everest?

(a)  

The highest peak Mt. Everest is (a)   metres.

The greatest depth is (a)   metres is recorded at Mariana Trehch.