Question

aphotic zone- where lights cant penetrate the water
what percentage of earths water is comprised of saltwater?
100%
97%
1%
5%

Explanation:

Earth's water is mainly divided into salt - water and fresh - water. The vast majority of Earth's water is saltwater. Approximately 97% of Earth's water is saltwater, while only about 3% is fresh - water.

Answer:

B. 97%