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.

[EX Q]: Question: Mona loves to see how far she can slide things. If a basketball has more mass then a baseball and Mona decides to slide both items, which will have less momentum? 
 Answer: baseball
[EX A]: The more mass a moving object has or the faster its moving, the greater its momentum.

[EX Q]: Question: Carla is pushing two carts down a street. One cart is heavy, the other is light. The light cart, compared to the heavy one, will accelerate 
 Answer: quickly
[EX A]: The greater the mass of an object, the less it will accelerate when a given force is applied.

[EX Q]: Question: Mona is a scientist studying erosion at a university. She is observing a river. If she starts taking erosion measurements at the mouth of the river and moves up to the head of the river, what will she find happens as the slope gets steeper? 
 Answer: erosion increases
[EX A]:
Water flowing over a steeper slope moves faster and causes more erosion.