What do you understand by standard reduction potential of electrode?

What do you understand by DNA?

What do you understand by steady current?

What do you understand by normal hydrogen reduction potential of electrode? give it structure and working.

What do you understand by couple?

What do you understand by pollution ?

What do you understand by nutrition?

What do you understand by cardiac output?

What do you understand by a wavefront?

What do you understand by capillarity?