the devils book have 26 names
An unlimited amount means that there would always be more of it: so they can't run out of it, there will always be more! and since they can't run out of it, they don't have to worry or make choices - they can just use it without any limits and thinking about it.
So the correct answer is
a. have to place limits on its use.
Calgary is a city in the Canadian province of Alberta.
Country : Canada
Province : Alberta
Region : Calgary Region
Hope I can help you :)
Brainliest answer? :)