Who's bigger brain? me or you?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Is powdered sports drink ionic or covalent ? 10pts !