I think that it is A. it forms new mountains under the water
I think it is Authority hope this helps
Answer:
b
Explanation:
carbon, hydrogen and oxygen
It refers to the cost or benefit of an activity by an economic agent for which it does not pay a price.
Fr ex: factory produces goods , it releases harmful smokes n polluts our enviroment.
In this case externality implies the negetive effect.
Hope it helped u!!
