The correct option is A Seventy one
Nearly seventy one percentage of the Earth's surface is covered with water bodies including oceans, seas, rivers, etc.
Out of the total water available on the Earth, around ninety seven percent is constituted by salt water. Majority of salt water is found in the oceans and seas. Remaining three percent of water is freshwater, which is found in the form of groundwater, frozen water and surface water.
The below table describes the different forms of freshwater and their availability. Type of fresh waterAvailability percentage Frozen water Around 69%Ground water Around 30%Surface water Around 1%