Earth

is a large body of air with generally uniform temperature and humidity.

There are two distinct current systems in the ocean

he change between day and night is caused by

are cohesive streams of seawater that circulate through the ocean.

are created as Earth spins on its axis and moves in an elliptical orbit around the sun.

we have 4 seasons:

The planet Earth is constantly rotating from west to east. This rotation causes the

he process by which mountains shunt air upwards as atmospheric systems encounter them.