I think it is Phytoplankton.
Answer:
The major source of pollution that leads to acid rain is factories.
Explanation:
The smokes which are thrown out from factory is mixed up with the rain and cause acid rain.Acid rain can cause various skin problems.
Answer:
Faction
Explanation:
A faction is a group of individuals concerned more with their self-interest than with the rights of individuals outside the group or with the needs of society as a whole.
Answer:
D. The US economy is the largest in the world when measured in GDP per person.
Explanation:
I would say that carbon dating is technically the most efficient because it is scientifically proven that a certain amount of carbon atoms will degrade after an organism is dead for a certain amount of time.
