Questions

We all human beings i.e man or woman.

As baby we crawl, as an adult we walk and as old aged we use walking stick for support.

The Standard hydrogen electrode (abbreviated SHE), is a redox electrode which forms the basis of the thermodynamic scale of oxidation-reduction potentials. Its absolute electrode potential is estimated to be 4.44 ± 0.02 V at 25 °C, but to form a basis for comparison with all other electrode reactions, hydrogen's standard electrode potential (E0) is declared to be zero volts only at 298.

The 1st Asian woman cricketer to play hundred T20I's is Sana Mir.

Sana Mir is a cricketer and the Former Captain of the Pakistan national women's cricket team in ODIs and T20Is. In October 2018, she became the first Pakistani women cricketer to rank number 1 in ICC ODI bowler ranking. She has led Pakistan to two Gold medals in Asian Games 2010 and 2014.

National security refers to security of a nation state, including its citizens, economy&institutions, is regarded as a duty of govt. It is celebrated every year on 4th March. The 1st National Security Day observed in the year 1972.