You are presented with the quiz "What might fall on land may soak into the ground, becoming groundwater?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "some precipitation that falls on land may soak into the ground, becoming groundwater" and "hail, rain, sleet, and snow are referred to as precipitation ". 

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


 

    Hail       