General growth media serves the purpose of generating more bacteria colonies to create enough samples to identify to perform other tests. Differential media is used to differentiate species or subspecies of bacteria by how they differentially react to the dyes of chemicals in the media due to differences in metabolic properties of the different bacteria species. An example of differential media is MacConkey agar.
Wind and Rain are known to (A), wear down mountains because wind and rain are primary causes of weathering of mountains as well as other natural landforms.
If you are referring to the different Ocean Names then they include, Pacific Ocean, Atlantic Ocean, Indian Ocean, Artic Ocean, and the Southern Ocean.
