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.

Question: When you use less force to move a car it will 
 Answer: move less
When two skateboarders push against each other, it causes them to move apart. The harder they push together, the farther apart they move.

Question: If you defocus the sun's rays with a lens they are 
 Answer: weaker
The more focused the Suns rays are, the more energy an area receives and the warmer it is.

Question: When people live in more polluted areas they will have 
 Answer: more disease

Certain respiratory conditions can be made worse in people who live closer to or in large cites.