depends on the kind of snadwitch
The question being tested is whether or not the human body will produce more red blood cells at higher altitudes.
The hypothesis an athlete would create from this question is that the body will produce more red blood cells at a higher altitude to ensure the pumping of oxygen throughout the body.
Answer:
There are extreme temperature variations, ranging from excessive heat to extreme cold.
Explanation:
Mercury being closest to sun gets extremely hot, but its "night" side (the side that is away from sun at a given time) gets very cold cuz mercury has no atmosphere to trap the heat.