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.

Example Input: Question: Rachel was looking into the night sky. The darkest star is most likely: 
 Answer: the coldest
Example Output: The hotter a main sequence star is, the brighter it is.

Example Input: Question: Ian is digging in his garden, and admires the shiny pebbles sitting in the yard, as he digs a hole and finds more rocks, he knows that the first ones he found are 
 Answer: younger
Example Output: Older rocks are at the bottom and younger rocks are at the top.

Example Input: Question: If Mona is creating a membrane to filter out some dirty water and she creates fewer folds in the membrane, what happens to the total surface area of that membrane? 
 Answer: decreases
Example Output:
The folds present in the membrane increase the surface area allowing more ribosomes to be present on the ER, thereby allowing greater protein production.