A. Yes is correct.
Hope that helps!
It depends on where your going and how many people are going to the trip. But in my opinion I think about 3 times because you need to make stops when you need to use the restroom and when your hungry.
Sorry if I am not right :(
I hope I helped you have a great day :)
The answer is b. The ability of all living things to maintain a relatively stable internal environment
