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: Would a star that is significantly cooler than the sun, which is outputting blue light which is higher in frequency that the yellow light of the Sun, be 
 Answer: colder?
[A]: Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures.


[Q]: Question: As more people are removed from Earth, they will find _____ water scarcity. 
 Answer: decreasing
[A]: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.


[Q]: Question: John was looking at the lights passing through the object. He noticed that the less dense the medium, the light would move 
 Answer: Faster
[A]:
The more dense the medium, the slower the light moves.


