B. 30% because it was in the internet and i just gave it to you
A.)Scientists look for fossils that could be common ancestors on the different
continents, showing that the common ancestor once existed on one or more
An ocean current is any more or less permanent or continuous, directed movement of ocean water that flows in one of the Earth's oceans. The currents are generated from the forces acting upon the water like the earth's rotation, the wind, the temperature and salinity differences and the gravitation of the moon.