Answer the following question given this paragraph: 

Earth is spinning as air moves over its surface. This causes the Coriolis effect. Winds blow on a diagonal over the surface, instead of due north or south. From which direction do the northern trade winds blow?.


Q: What effect is caused by air moving over the earth's surface as it spins?

 Choices:

- pruett effect

- mazinho effect

- dopple effect

- coriolis effect

A:
coriolis effect
