coriolis effect
rotation
rotation
Earths rotation around its axis
Coriolis effect
earths rotation aleoc
This is caused by Earth's rotation.
beacuse of the earths rotation
Earth's rotation on its axis causes day and night. Earth's revolution around the sun causes the seasons.
I think the primary factor is the earths rotation. And it called the Coriolis effect.
The earths rotation causes day and night, wind, tides and ocean currents and its also responsible for the different seasons.
The equators warm air, and the polar cold air.
The answer is here:What_is_the_primary_cause_of_the_earth's_weather_system#1) Uneven heating of the earth by the sun2) Gravetation3) Earth rotation