The correct answer is "Both apply to a certain region".
Explanation:
The main difference between the terms weather and climate is that weather refers to a short-term condition of the atmosphere, while climate is defined as the average weather conditions during an extended period of time. As can be noted the duration is one of the thing that differentiates between weather and climate. One thing that both terms have in common is that both apply to a certain region. For instance, Mexico City has a has a subtropical highland climate, and the weather could be rainy, sunny or cloudy.
