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.
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Question: Question: Sandra is in a dark building and then suddenly goes exits onto a sunny street. Sarah's pupils will do this in response to the new bright light 
 Answer: shrink

Answer: The pupil automatically gets bigger or smaller to let more or less light in as needed.


Question: Question: Mike wants his voice to travel faster, so he will speak in a room that is 
 Answer: warmer

Answer: For a given medium such as air, sound has a slower speed at lower temperatures.


Question: Question: A hill that is not steep has 
 Answer: a lot of water

Answer:
A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.