Which of these statements is true? It is impossible to date a fossil with any certainty.
Fossils show evidence of descent with modification.
Fossils can only be produced from animals that have hard skeletons.
There are no fossils of transitional forms or "missing links."

The meselson-stahl experiment demonstrated that dna replication is semiconservative. in the figure, semiconservative replication is illustrated by

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

Actual age your first developed of age well comparison age refers to absolute age true or false