<span>It would be Force and Movement that's your answer.</span>
For the first question it is unusable because it only talks about how much money the government gets a lot of money. The second one is usable because you talked to a guy that owns and breeds these animals.
Answer:
Tools that are sharp (eg knives) get dull as you use them, but when you speak sharply (in a bitter or critical way) often, you overall tend to speak that way more. So, instead of getting less sharp, your tongue is getting sharper.