Answer:
Variable X is a local variable.
Explanation:
X exists only inside the sub.
Answer:
The Columbus laboratory is ESA’s largest single contribution to the International Space Station. It was also the first permanent European research facility in space.
Explanation: that is something I know i don’t know if it will help you with your answer
Generally invisible to the user, like you can't see it on your OS or in just a standard application
Answer:
The Microsoft Windows Task Manager.
