What causes the formation of ocean currents? A: rotation of Earths on its axis
B: change in the magnetic field of Earth
C: temperature differences of water in the ocean
D: movement of tectonic plates under Earth's surface

a

Explanation:8

It may be C or D.

Sorry if I'm wrong.

Explanation:

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.