When comparing bones from ancient fossils and modern bones--what is the primary technique do scientists use to compare the bones?

What did the central and union pacific build? transcontinental railroad transcontinental highway transcontinental trail transcontinental path

How do you think entrepreneurs contribute or industry in america? describe your answer.

When did martin luther king, jr. deliver his famous "i have a dream" speech? a. during the montgomery bus boycott b. during the birmingham campaign c. during his acceptance of the nobel prize d. during the march on washington