Which of the following statements best explains why it is warmer at the equator than at the North Pole. OPTIONS: [i] The equator has a larger area than the North Pole. [ii] The equator is closer to the Sun than the North Pole. [iii] The equator receives more direct sunlight than the North Pole. [iv] The equator has more hours of daylight per year than the North Pole.
The answer is: