Answer:
Option C: water pressure.
Explanation:
Water pressure allows water to reach the top of a building.
Answer:
d) 1 volt
Explanation:
The allowable range is 1 volt. The allowed tolerance (deviation from nominal) depends on what the nominal voltage is.
Answer: 15%
Explanation:
Frequency of obtaining = 63/420 = 0.15 = 15%
The answer & explanation for this question is given in the attachment below.