Unlike red blood cells, white blood cells a. are the most numerous cells in the blood. b. carry oxygen through the body. c. can live for many years. d. are made in the bone marrow.

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers