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.

Input: Consider Input: Question: Asa is running in a race and his body temperature decreases. His skin's blood vessels _____ in diameter. 
 Answer: decrease

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.


Input: Consider Input: Question: Ares has a rock of with a surface area of 10 meters squared and a rock with a surface area of 1 meter square. The _____ rock likely has less area affected by a chemical reaction 
 Answer: 1m

Output: Surface Area of Reactants When a solid substance is involved in a chemical reaction, only the matter at the surface of the solid is exposed to other reactants. If a solid has more surface area, more of it is exposed and able to react.


Input: Consider Input: Question: Karen is observing an electromagnetic wave and how it travels from its source. This wave travels near to its source, because the energy is diluted 
 Answer: less


Output: However, the energy is diluted as an electromagnetic wave travels farther from its source because it spreads out over an ever-larger area.