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 Input:
Question: Mike is watching how particles of reactants function, and sees that they are very far apart. Considering that the concentration of them is very low, the chance of them colliding together is 
 Answer: low

Ex Output:
At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.


Ex Input:
Question: If Mona works in a defense lab and her company develops better missiles, what happens to the advancement of rocket technologies? 
 Answer: increases

Ex Output:
The development of better missiles fostered better rocket technologies.


Ex Input:
Question: Mike noticed that more people in his group were dying sooner, because the food they had was 
 Answer: worse

Ex Output:

With better food and less chance of disease, the death rate fell.