Salt
Evaporating the water salt is obtained.
Coal.
Salts are obtained as a residual solid.
After evaporating of the water solid, crystallized, impure salts are obtained.
When fresh water is removed from ocean water, the salts that are left behind are also a valuable resource. Over half of the world's supply of magnesium, a strong, light metal, is obtained from seawater in this way.
ocean provides many things such as crude oil, natural gas, sea food, pearls and many other so it is considered as a valuable resource
Yes, it is true.
The first most important marine resource would be fish and shellfish - they are used for food. After that perhaps the most valuable physical resource would be oil that is drilled from beneath the ocean's floor. This oil is used for the creations of plastics, making gasoline for cars and other modes of transportation, and other things as well.
Yes, it is true.
Moisture evaporating from the Ocean.
They are obtained by drilling a hole in the crust of the earth underneath the ocean.
Ocean water. The whole cycle starts with ocean water evaporating, so it is therefore the supplement.