Total earth’s surface covered by water is
(a)
(b)
(c)
(d)
Answer: A
Solution.
Earth is known as the "Blue Planet" because 71 percent of the Earth's surface is covered with water. Water also exists below land surface and as water vapor in the air.
The earth has an abundance of water, but unfortunately, only a small percentage (about 0.3 percent), is even usable by humans.
Hence, the correct option of this question is option A