which tool requires an underlying operating system in order to create and manage virtual machines???

Answer: hypervisor or Virtual Machine Manager

Question: which team has the most super bowls wins?

Answer: Pittsburgh Steelers

Answer this question: substance that causes destruction of red blood cells??

Hemolysins

Q: who has the most us open tennis titles?A: Bill Tilden

Input: how long is a scuba tank hydro good for?

Output: five years

input: What is the answer to this question? who has played hope on the bold and the beautiful?

output:
and others