Best Answer: B) Evolutionary relationships-This is because the classification system works by grouping together related species that have evolved from common ancestry No others are plausible.
Short for uninterruptible power supply, a power supply that includes a battery to maintain power in the event of a power outage. Typically, a UPS keeps a computer running for several minutes after a power outage, enabling you to save data that is in RAM and shut down the computer gracefully.
Section 10: Emergency and Standby Power Systems Bill Brown, P.E., Square D Engineering Services Introduction Emergency and standby power systems are designed to provide an alternate source of power if the normal source of power, most often the serving utility, should fail. As such, reliability of these types of systems is critical and good design practices are essential. Code and standards A.) Classification of emergency and standby power systems