Question

Two identical rocks fall down a cliff and land in a stream. One breaks into three smaller pieces and the other one does not. They sit in the stream for 20 years until someone takes them out and measures the total mass of each rock. Which will have more mass, the whole rock or the rock in three pieces? Explain your answer:

Answer 1

the one that broke because all the sand and rocks that rub against the rock in the river shave it down hope this helps

Step-by-step explanation: