How much of Earth’s surface is occupied by oceans?
I have been asked this question in quiz.
This question is from Ecosystem topic in section Ecosystem of Biology – Class 12
The correct choice is (d) 70%
For explanation: Almost 70% of Earth’s surface is occupied by oceans. An ocean is the largest body of water comprising of much of the planet’s hydrosphere. In all, there are 5 oceans on Earth namely Pacific, Atlantic, Indian, Antarctic, and Arctic oceans.