Which of these is the largest source of oil pollution in the ocean?
A
B
Supertanker oil spills;
oil drilling accidents;
C
improper disposal of used oil after routine oil changes;
D
oil naturally seeping up from the ocean floor.
10 of 20
A
B
Supertanker oil spills;
oil drilling accidents;
C
improper disposal of used oil after routine oil changes;
D
oil naturally seeping up from the ocean floor.
10 of 20