It can occur on top of the water or under water.
Oil spills occur with depressing regularity. There are oils spills every year to a greater or lesser magnitude.
by accident
Land based wells can blow out. See related link.
A long time
In the Gulf of Mexico.
Oil Spills . Global Warming Would Take Longer Than a Oil Spill
Oil is lighter than water.
Oil spills contaminate the sea and the fish die along with sea birds.
Oil Spills.
Oil spills are usually occured by a leak in the ocean killing out whales and dolphins. Hope I helped x Alex Perkins, 12 years old .. x
oil spill is when a boat or something else spills oil in the water or in the forests.a lot of oil spills happen when people drill for oil or when there's a leak somewhere they keep oil.
no, as all water is filtered thoroughly.