How are fossils discovered​

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

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

How many molecules are in 6.0 moles of methane