Oceanography

The Pacific Ocean is the largest ocean on Earth, covering an area of approximately 168 million square kilometers.
It is larger than the Atlantic, Indian, and Southern Oceans.
The Pacific Ocean accounts for about one-third of the Earth's surface area and is home to some of the deepest points on Earth, including the Mariana Trench.

Ocean currents are primarily driven by a combination of factors, including wind patterns, the rotation of the Earth (Coriolis effect), and the gravitational pull of the moon (which causes tides).
Wind patterns create surface currents, while Earth's rotation causes the deflection of these currents. The gravitational pull of the moon generates tidal currents, especially near coastal regions.
Thus, the primary causes of ocean currents are a combination of all of these factors.