The largest ocean on Earth is the:

Ocean currents are mainly caused by:

Which ocean current influences the climate of Western Europe?

Tides are mainly caused by the:

When the Sun, Moon, and Earth are in a straight line, which tide occurs?

Which of the following is a cold ocean current?

The rise and fall of sea level twice a day is called:

The boundary between warm and cold ocean currents is known for:

Which of the following oceans is the smallest?

The Bay of Bengal experiences strong tidal waves known as: