As the amount of water increases, the melting point of rock decreases.

Having read the above passage, choose the right answer to the following question (choices are a higher melting point than the other rock or a lower melting point than the other rock ):


Richard dropped two identical rocks, one into a puddle, and the other into a swimming pool. After dropping both rocks, the rock dropped into the puddle had a higher melting point than the other rock or a lower melting point than the other rock? 

