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.

Example Input: Question: Alan has a rubber band on his hands. He pulls his hands apart and the rubber bands force 
 Answer: increases
Example Output: The farther apart you move your hands, the stronger the force of the rubber band pulling your hands together.

Example Input: Question: Reid is modelling the greenhouse effect in a simulation. If he increases greenhouse gas levels, the greenhouse gas effect will 
 Answer: increase
Example Output: An increase in greenhouse gases leads to greater greenhouse effect.

Example Input: Question: We can find a better mechanical advantage if the inclined plane has a _____ gradual slope. 
 Answer: more
Example Output:
The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.