In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Example Input: Question: John was looking at rocks in the valley and noticed something. The more resistant the rocks he looked at were, the amount they remained was 
 Answer: Longer
Example Output: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.

Example Input: Question: If the population of Mona's city has been growing recently and there are more people living there this year compared to last year, what happens to the need for resources? 
 Answer: increased need
Example Output: More people need more resources.

Example Input: Question: Between a marble and a cannon ball, both travelling at the same speed, the object with the greater momentum would be 
 Answer: the cannon ball
Example Output:
The more mass a moving object has or the faster its moving, the greater its momentum.