Even though there are gaps in the fossil record, some of the most direct evidence for evolution comes from fossils called fossils that illustrate how certain major transformations in life forms occurred. Select all that apply.

What is the name for a substance formed in a chemical reaction

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

In what part of the body does the most muscle activity happen?