Depending on which area of the US will affect what the name of the body of water that is separates the US from Cuba. if youre relating to Florida, US, then it would be the Straits of Florida, with the Atlantic Ocean to the east and the Gulf of Mexico to the west. its probably best to use a map to make it clear to yourself
yes a gift of nature like sun, wind, water etc. can be resource in future if they are properly utilized .the only thing needed is new, advanced and suitable technologies which can convert gift of nature into useful resource.
The margins of glaciers are usually darker than the interior primarily because: Growth and associated glacial erosion. When glacial accumulation is greater than glacial ablation, the result is glacial. retreat and associated glacial deposition.