You are presented with the quiz "Rising water vapor that condenses can lead to " 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "clouds are formed by water vapor rising into colder regions of the atmosphere and condensing" and "as the warm air cools, it forms rain clouds called cumulonimbus clouds or thunderclouds". 

So, what's the best answer to the question?


 

        rain   