A benzene ring has alternating double bonds in a
-membered ring.
A. 3, 7
B. 4, 6
C. 3,6

What must happen before a body cell can begin mitotic cell division

What happens when an acid dissolves?

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