Oxegen, Carbon dioxide and heaps more! but the main are Oxegen and Carbon dioxide.
Oil and natrul gasess
Earths Major Earthquakes are caused by faulting of rock in earth's crust.Hope this helps
Gases are compressible.
Earth's major land forms are known as continents.
Plants
The earth's major landforms are mountains, hills, plateaus, and plains.
one major contributor is moving water
The sun is the major external source of energy.
the sun
lithosphere
earths major plates
no