Answer:
The correct answer will be option B- mesohaline.
Explanation:
The mangroves are the trees and shrubs which grows in low-oxygen conditions. These mangrove trees can form forests in the salt conditions with a moderate amount of salt between 3 to 10 parts per trillion.
The salt water with moderate salt amount is also known as "mesohaline " which is formed which is formed when the freshwater from the river with a low salt concentration is mixed with high salt concentration water of the sea.
Thus, option- B mesohaline is the correct answer.
