Its the color of crystals formed depends on the speed of evaporation
I think it's so your lungs can expand to help you breathe properly ? You may have to wait for some more answers to come through
Answer:
Salt in the ocean comes from rocks on land. The rain that falls on the land contains some dissolved carbon dioxide from the surrounding air. This causes the rainwater to be slightly acidic due to carbonic acid (which forms from carbon dioxide and water).
