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: Jeff noticed the food supply changed over time in his city. The advent of farming machines likely caused the food supply to 
 Answer: increase
[A]: Better farming techniques and machines increased the food supply and the distribution of food.


[Q]: Question: Joe was experimenting with decibels. He tried listening to it at different levels and noticed that as the decibels decreased the sound waves were 
 Answer: less audible
[A]: As decibel levels get higher, sound waves have greater intensity and sounds are louder.


[Q]: Question: Dean looked at the sky with his eyes, then looked at the sky with his telescope. Dean saw more through the telescope, because the lens there was 
 Answer: bigger
[A]:
The larger a telescope's mirror or lens, the better it is at seeing narrowly separated objects as individual objects and the sharper the images look.