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: Ian's town had fewer deaths this year since the food supply changed, which means that this year the food amounts were 
 Answer: increased
[A]: More recently, the death rate has fallen because of the availability of more food and medical advances.


[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: What happens to the rate at which waves move past a particular spot if Jim decreases the wavelength of a sound wave? 
 Answer: increases
[A]:
This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.