What volume of 0.250 M KCL is needed to make 100.0 mL of 0.100 M solution?

What effect does nuclear radiation have on atoms?

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

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