Which statement best explains why the summers in Miami are cooler than the summers in Orlando?

A) Cold ocean currents are formed in summer.

B) Miami is closer to the equator than Orlando.

C) The two cities are located on different longitudes.

D) Coastal areas are cooler than inland areas.

the answer is either A or D

Option D, Coastal areas are cooler than inland areas.

Explanation:

Both Miami and Orlando lies at the side of Atlantic ocean. Also both Miami and Orlando lies nearly at the same distance from equator. Orlando lies at a distance of 3174 Km and Miami lies at the distance of 2867 Km north of equator. Thus both option B and C are incorrect.

However, Miami is a coastal area while Orlando is an inland areas. Coastal areas are near to ocean and thus they are cooler as compared to the inland areas.

Hence, option D is correct.