Place three things here that only apply to relative dating

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine