< 1. What can be determined about the relative ages of the fossils? A. Fossils U, W and Y were formed around the same time period as V, X and Z. B. Fossils U, W, V, and X were formed more recently than Y and Z. C. OFossils U, W and Y were formed further in the past than V, X and Z. D. Fossils U, W and Y were formed more recently than V, X and Z.

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions