What is the difference between a sea and an ocean

Which form of relativism states that people rely on their own standards of right and wrong when making a decision?

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe

Iwould appreciate if someone could me.