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: Katie has a garden and she installs a small waterfall. Since Katie sets the water to flow very slow and gentle over the sloping fall, the erosion at the bottom of the waterfall will be 
 Answer: less
Example Output: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

Example Input: Question: Mike wants his voice to travel faster, so he will speak in a room that is 
 Answer: warmer
Example Output: For a given medium such as air, sound has a slower speed at lower temperatures.

Example Input: Question: A person with a low body temperature will have _____ of the blood vessels in the skin. 
 Answer: widening
Example Output:
When your brain senses that your body temperature is increasing, it sends messages to the blood vessels in the skin to increase in diameter.