Answer:
Option (D)
Explanation:
Wetlands are considered to be those land areas that are mostly covered by water seasonally or annually. It is rich in a variety of living species, aquatic plants, and the soil in this region contains high moisture content that is favorable for the existence of a large number of species.
Bogs are a type of wetlands that are mostly comprised of mosses. The water that is accumulated here is mainly the rainwater. These waters are generally cold and are very acidic in nature, as a result of which the soil is very acidic and is composed of a low amount of oxygen.
Thus, the correct answer is option (D).
