Answer:
I am sure the answer is A
Explanation:
As you can see from the graph, the first time they pumped air, the numbers were 6, 1.2, and 2. Once they start pumping the numbers decrease. Therefore, I think the answer is A. It went to 5.7, 4, and 2 from 6, 1.2, and 2.1.
The correct answer is B.UPS
A UPS or Uninterruptable Power supply makes
sure that you have backup in case there is a power outage in your area. It
provides ample time for you to save all files before shut down.
Answer: WIDE AREA NETWORK (WAN)
Explanation: hopes this helps