The answer is C. Darwin believed that the Finches from the Galápagos had changed so much that they were new species that no longer can breed with other finches and concluded these because of the shape of the Finches beaks corresponding to their diets
Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases, so it would affect the water negatively.
