Final answer:
Hurricane Harvey rapidly intensified to a Category 4 hurricane in the Gulf of Mexico.
Step-by-step explanation:
Hurricane Harvey rapidly intensified to a Category 4 hurricane in the Gulf of Mexico.
In the warm waters of the Gulf of Mexico, where sea surface temperatures are typically above 80°F (27°C), hurricanes can gain strength and intensity quickly, making them more dangerous and destructive.
The answer to the question is a) Gulf of Mexico.