Question

The oceans are salty. Why?

Answer 1

1. As the rain erodes the rock acids in the rainwater break down the rock.
2. Ions (or) electrically charged atomic particles are created.
3. These ions are carried away in a runoff to streams and rivers and ultimately to the ocean.
4. Many of the dissolved ions are used by organisms in the ocean are removed from the water.
5. Others are left for long periods of time where their concentrations increase over time.
6. Sodium and chloride are the most prevalent ions in Seawater, (about 90%) making seawater salty as it is salty.