Which three right answers lets get it

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition c. conduction. d. density.