I am verifying the answers generated by an automatic system to the following question: how much of earth is covered ocean water Suggested answer: Approximately 72% of the planet's surface (~3.6x108 km2) is covered by saline water that is customarily divided into several principal oceans and smaller seas, with the ocean covering approximately 71% of the Earth's surface. Should I validate this answer?

Available options:
1). No.
2). Yes.
The answer is:
2).