Respuesta :
The answer is D!
A and B are too similar for it to be either of those.
C is effected because they install the windows so that they can be protected from the weather.
A and B are too similar for it to be either of those.
C is effected because they install the windows so that they can be protected from the weather.
Perhaps D. They build Dams. If the answer was A then it would also be B or if the answer was B then it would also be A. C is irrelevant.