Question

The currents of the Earth's oceans are caused by

A.
marine organisms and volcanic eruptions.
B.
disturbances by submarines and large ships.
C.
waves and earthquakes along tectonic plate boundaries.
D.
global winds and differences in temperature and salinity.

Answer 1

d because global winds and differences in temperature and salinity

Answer 2

Answer choice D.

different temperatures cause the water to rise and fall