No matter what shade or  color combination a snake has, each snake's color is key to its  survival as both hunter and prey. The most common snake colors are  black, green, brown and yellow.1 person found this useful.o matter what shade or  color combination a snake has, each snake's color is key to its  survival as both hunter and prey. The most common snake colors are  black, green, brown and yellow. 1 person found this useful.
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I cannot give you an exact number, but it is over 14,800. The United States has more airports than any other nation.   According to the CIA World Fact Book, the U.S. has â¦14,951 airports as of 2008, including 5,146 with paved runways, and 9,805 with unpaved runways.   The U.S. also has 146 heliports (2007).