Who can help me with this essay ill leave my email if u agree

Explain how the density of ocean water is affected by temperature and how this results in major ocean currents distributing heat away from the equator toward the poles?

Most of earths fresh surface water is found in

Me answer as many as you can what percentage more of water is used to provide us with electricity versus for irrigation? do we use more freshwater in our homes or to provide us with electricity?