How much of earth's total volume of water is found in ocean?

About 97.5% of Earth's total volume of water is found in the ocean. As per the given Options, Option (1) is the most appropriate answer.

Important Points

• The Earth's surface is covered with 71 percent of water due to which it is also known as the blue planet.
• Around 97% of the earth's water is found in the oceans
• But it is too salty for drinking, growing crops, and most industrial uses except cooling
• The water in the ocean contains dissolved salt which is unfit for drinking.
• Most of the salt found in the ocean is sodium chloride.
• The average salinity of the oceans is 35 parts per thousand.

Additional Information

• The other percentage of water is found in the form of ice sheets and glaciers.
• Only 2.5% percent is available for human beings as freshwater.
• Freshwater is found in ponds, rivers, springs, and glaciers.