It helps cell identification, even in the absence of contamination.
by giving us oxygen for breathing.
They taste good
Made into computer chips.
no lechlanche cell is not a dry cell.
We are together we help one another. We are all friends, we can live happy, no stress comes to us. So we are usefull
it powers stuff like cars
I'll answer it if you answer "why is school usefull for us" JK umm well they teach us about space. Also they all make the gravitational pull perfect it they move it would be werid i think sorry if not a good answer :)
A dry cell; it contains chemical energy.A dry cell; it contains chemical energy.A dry cell; it contains chemical energy.A dry cell; it contains chemical energy.
Of each individual dry cell, not at all. If you connect them together in series then their voltages add.
dry cell do not polarize because hydrogen cannot run in dry chemical state.
i think its a need of poor people