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.

[Q]: Question: If John increases the rate at which gas exits the bottom of his rocket, what will happen to the upward momentum of the rocket? It will 
 Answer: increase
[A]: The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.


[Q]: Question: John wanted to gain weight so he initiated a routine of eating a sugary donut in the morning. As a result, he felt hyper as his blood glucose level rose. Did the amount of insulin in his blood likely 
 Answer: increase
[A]: As blood glucose levels decrease, less insulin is produced.


[Q]: Question: If Jim increases the amount of energy that his HVAC system wastes, what happens to the efficiency of the system? 
 Answer: decreases
[A]:
The greater the wasted output energy, the less efficient the system.