Hi ! could someone me out with this last part to my chemistry practice ? you !

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

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?