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: If Mary is taking a picture and she shuts the camera shutter narrower what will happen to the amount of light that gets in? 
 Answer: decrease

A: A camera shutter stays open longer in dim light to let more light in.
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Q: Question: Will scuba-dived deeper and deeper into the trench. The water pressure around him 
 Answer: increases

A: Pressure: Pressure increases with depth, but increased pressure raises the melting temperature, so melting of rock is less likely to occur at higher pressures.
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Q: Question: If Mona owns a greenhouse and she decides to open r the top up to increase sunlight, what happens to her plant's ability to make food? 
 Answer: increases

A:
Less photosynthesis means that plants and phytoplankton produce less food.
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