Which would not be possible if the triceps muscle were severed? a bending the forearm toward the shoulder b opening and closing the hand c rotating the thumb d extending the arm straight out

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