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: By removing a pound of salt from a bucket of fresh water, could you cause the density of the water to 
 Answer: decrease?
[EX A]: Water density increases as salinity and pressure increase, or as temperature decreases.

[EX Q]: Question: If a farmer learned better farming techniques, they could expect to produce _____ food. 
 Answer: more
[EX A]: Better farming techniques and machines increased the food supply and the distribution of food.

[EX Q]: Question: As the rocket falls down through the troposphere and gets nearer to the Earth's surface, the air will be 
 Answer: warmer
[EX A]:
Air in the troposphere is warmer closer to Earths surface.