Using the equation below, calculate the number of grams of N2 that are formed from the reaction of 21 grams of NH3. 4NH3 + 3O2 --> 2N2 + 6H2O

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