What can changes in the fossils of a single organism over time reveal? a. how the species evolved b. relative age of the rocks containing the fossils c. how the climate changed d. how the rock layers were deposited

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".

d.

many people believed they were convicted solely because they were anarchists.