Phacops logani is a specific trilobite this particular type only lives during the early devonian age to buy it also was found to be widespread throughout north america question can this fossil qualify to be index fossil

Relatively steep zone that is compared with the shelf that marks the boundary between continental crust and ocean crust.

What was the primary purpose of the sibley commission in georgia? question 5 options: to schools across georgia integrate peacefully to discover how georgians felt about the issue of integration to lead non-violent protests to elect new civil rights leaders

At a continent-continent convergence,