You have to put some sea water in a jar and then wait for the water to evaporate-you need to put the jar near somewhere hot. Then when all the water has evaporated, you are only left with salt in the...
It depends on the depth of the oil ' pocket; ' it will take any where from 3 months or longer. In the case of an oil spill, in most cases the oil will disperse in the water, it is nearly impossible...