Questions

There are two IP address assigned to each device on a Wi-Fi network.

An Internal (Private) and an External (Public) IP address.

Internal IP address is used for communication between Your computer and a smartphone or whatever devices that are connected to that Wifi network. This is unique for each. If they are same the system cannot differentiate between each device.

While, the External IP address is that visible to the the internet - the websites, the internet connected Apps so on. By default, Routers with NAT (all routers today have it) assign same Public IP address to all devices under its network.

Air contains water in a gaseous form called water vapour.

South Africa hosted the 10th edition of BRICS Summit 2018 in Johannesburg on July 25. 

Nachiket Mor Committee on Comprehensive Financial Services for Small Businesses and Low Income Households (commonly known as the Nachiket Mor Committee) was an expert committee formed by Raghuram Rajan on 23 September 2013, after he was appointed as the governor of the Reserve Bank of India (RBI). It was headed by Nachiket Mor.

It is the transfer of sufficient amount of the state of process from one machine to the target machine.

Lord Ripon was the Viceroy of India from 1880 to 1884. He introduced Local Bodies (Local Self Governance) in 1882 and showed the taste of independence to Indians.