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: Would it be easier to push a block up a 
 Answer: shallow slope
[EX A]: The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.

[EX Q]: Question: More oxygen absorption means _____ oxygen in the blood. 
 Answer: more
[EX A]: Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.

[EX Q]: Question: Jim is designing a new car and playing around with different materials. If he were to decrease the weight of the vehicle, what would happen to the fuel efficiency of that vehicle? It would 
 Answer: increase
[EX A]:
Lighter, more streamlined vehicles need less energy.