Q. Which of the following factors an drive the formation of tarballs?
1.Discharge from municipal waste
2.Oil-well blowouts
3.Accidental release of bilge and ballast water
Select the correct answer from the codes given below

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: D
Notes:
  • Tarballs are dark-coloured substances formed from weathering of crude oil floating on the ocean surface. These are dropped off to shores by waves and sea currents. They accumulate in several sizes ranging from small globules to those as big as a basketball.
  • Discharge from municipal waste, oil-well blowouts, deliberate and accidental release of bilge and ballast water from ships are among the main factors driving the formation of these pollutants.

Source: Article