seawater.??

Question

Which of the following processes adds salts to seawater?
A. chemical precipitation
B. volcanic activity
C. biological precipitation
D. evaporite deposition

Answer 1

It's all of the above choices...read the information below to see why...

Sea water has been defined as a weak solution of almost everything. Ocean water is indeed a complex solution of mineral salts and of decayed biologic matter that results from the teeming life in the seas. Most of the ocean's salts were derived from gradual processes such the breaking up of the cooled igneous rocks of the Earth's crust by weathering and erosion, the wearing down of mountains, and the dissolving action of rains and streams which transported their mineral washings to the sea. Some of the ocean's salts have been dissolved from rocks and sediments below its floor. Other sources of salts include the solid and gaseous materials that escaped from the Earth's crust through volcanic vents or that originated in the atmosphere.

Answer 2

B. Volcanic acitivity, which comes out and solidifies as rocks and those rocks are eroded and the salt is deposited in the sea by the rivers.