Answer:
the answers are 2 and 3 because its asking why there is much more water than P than Q
Answer:Covalent bonds link carbon atoms together in long chains that form the skeletal framework for organic molecules. These carbon skeletons may vary in: ... Compounds with the same molecular formula but with different structures and hence different properties. Isomers are a source of variation among organic molecules.
Explanation:
Dogs, cats, ferrets, seals, elephants, mustelids and bears own the "Zonary" placentae.
