TASK DEFINITION: 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.
PROBLEM: Question: Mike needed to get a dark picture . In order to get the darkest photo, Mike made the exposure 
 Answer: shorter

SOLUTION: The longer the exposure, the more light that the telescope can gather to make the image.

PROBLEM: Question: Keith is showering, and is washing himself using a bar of soap, and then again with a loofah. Keith's skin will get better exfoliation, due to the greater friction, when he washes his body using the 
 Answer: loofah

SOLUTION: Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.

PROBLEM: Question: If Milo stops eating for awhile and his blood glucose increases, what happens to the amount of insulin he is producing? 
 Answer: increases

SOLUTION:
As blood glucose levels decrease, less insulin is produced.