The table below shows the fossils of organisms found in various layers of an undisturbed rock: Which statement about the organisms whose fossils are found in the rock is correct?

A: Organism W existed much before Organism Y

B: Organism Y existed over the longest period of time

C: Organism Y and Organism U were alive over the same time span

D: Organism W existed over a shorter period of time than did organism X

2/6 of be by to 2/6 is to 24/72 ?

Why is the study of demography important to geographers

Astate's representation in the u.s. senate is based on a) equal representation. b) the state's population. c) the state's electoral votes. d) the size of their major cities.this independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren cthis independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren commission (wc) b) federal election commission (fec) c) equal opportunity commission (eoc) d) securities and exchange commission (sec)