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: Sinking lower in the mesosphere, we encounter _____ temperatures. 
 Answer: higher
[EX A]: In the mesosphere, temperature decreases as altitude increases.

[EX Q]: Question: Alan saw Venus through his old telescope. He then looked through his bigger, better telescope. Venus likely appears brighter through the 
 Answer: bigger telescope
[EX A]: Larger telescopes can collect more light.

[EX Q]: Question: If demand for solar power were increase, the power would become _____ expensive. 
 Answer: less
[EX A]:
Solar power is expensive, but as demand increases technology improves and costs decrease.