I need help ASAP pls

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

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro