Ramsar Convention refers to the conservation of ____________

The correct answer is: B. Wetlands

The Ramsar Convention is an international treaty that provides the framework for the conservation and wise use of wetlands. Wetlands are areas of land that are saturated by water, either permanently or seasonally. They include marshes, swamps, bogs, and fens. Wetlands play an important role in the environment, providing habitat for wildlife, filtering water, and storing carbon.

Option A is incorrect because deserts are dry areas with little vegetation. Option C is incorrect because agriculture lands are areas that are used for farming. Option D is incorrect because forest land is land that is covered by trees.