Answer:
c
Explanation:
the higher it is the thinner air is making it more cold
The most densely populated European nation is the Vatican, located within Rome. It has 800 citizens with them living on a 0.17 miles squared, meaning there are 4,709 citizens per mile squared. This number might seem odd since it's much greater, but as Vatican is smaller than 1 mile, it cannot be compared without it becoming so big.
Answer:
The answer is Alaska
Explanation:
I don't really have an explanation to why the volcano is most active
