12. Find the pH of a solution when the poH is 12. a.
pH= -2
b. pH = 14
cpH= 2
d. pH = 7

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

Which substance has non polar covalent bonds

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block