The System and Structure of the Earth

Four main components of the Earth system

Atmosphere, Biosphere, Hydrosphere and Geosphere

What is hydrosphere?

Water zone includes rivers, lakes, seas and also water trapped as ice, underground water and water vapour in the atmosphere

What is the atmosphere?

Air zone covering the Earth’s surface

What is the geosphere?

Rock and soil zone on the Earth’s surface

What is the biosphere?

Life zones consist of a variety of life such as humans, animals, plants and microorganisms