Answer:
because he needs to connect them all to the sane network (i think)
The examples: Renewable energy, Water purification, Air purification, Environmental remediation, Energy conservation, Solid waste management and etc.
Hope this helped :D
d would be your answer....................................
Answer: Input Voltage
Explanation:
Based on the information given, since the power supply to install in the system is being determined, the input voltage is the most important characteristic to consider when choosing a power supply.
The input voltage indicates the type of voltage and the electrical current that's required to power a device safely and effectively.