What is ks constant ??

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?