Question: Meteorologists categorize hurricanes based on the Saffir-Simpson scale. The scale measures the intensity and destructive potential of hurricanes. Which factor has the most significant effect on the strength of a hurricane?

  Options: 
 A. the initial speed of a hurricane
 B. the direction that the hurricane rotates
 C. the number of hurricanes that form in a year
 D. the temperature of the water below the hurricane
Answer: D