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.

Question: If James is taking pictures with his camera and he decides to leave his shutter open less, what happens to the amount of light the lens lets in? 
 Answer: decreases
A camera shutter stays open longer in dim light to let more light in.

Question: Someone that never works out will likely have _____ muscles than someone who lifts weights at home all day. 
 Answer: smaller
Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.

Question: Sam creates a replica of an ocean. He decreases the size of the ocean basin, which should _____ the sea level of the model. 
 Answer: increase

Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.