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: Katie has a garden and she installs a small waterfall. Since Katie sets the water to flow very slow and gentle over the sloping fall, the erosion at the bottom of the waterfall will be 
 Answer: less
[EX A]: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

[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: Kevin lives in a city with 5000 people. Will lives in a city with 100000 people. Whose city likely cleared more land for agriculture/development? 
 Answer: Will
[EX A]:
More people also means more clearing of land for agriculture and development.