Found at the lowest point of a large drainage area, these seasonal, marsh-like ponds collect and store water from rain and runoff. Unlike vernal pools, playas generally fill when temperatures are unsuitable for plant growth, and often the water is salty, alkali or both.
source- google
Sorry I took the test and got it wrong and all I can tell you is that it's not B ok?
Farm land are being lost because companies are using them to build houses over them