Answer:
B)
Explanation:
Collision and/or sinking of oil tankers.
A single oil tank can carry 25,000 gallons of oil. in adition to that, not all oil tanks are regulated by an international deparment. And there is a lot of corruption in the oil bussines.
Answer: The blue whale is the heaviest animal ever known to have existed.
...
Heaviest living animals.
Rank 1
Animal Blue whale
Average mass [tonnes] 110
Maximum mass [tonnes] 190
Average total length [m (ft)] 24 (79)
HOPE THIS HELPS
The nucleus controls everything in a cell