The answer is 400 million gallons
Rural settlement means people living in rural areas, that is, not in the cities (which are urban areas).
Less and less people live in rural areas because there are less jobs there than in the city as our farming becomes more and more industrialized - before more people had to work on the farm, as more things had to be done by hand.
He will see blue because the wetsuit is white and the ocean is clear like blue so it’s blue
