Identify the statement that is true about the abyssal plains. a. The abyssal plains of the eastern Atlantic Ocean stretch from the continental shelf to the base of the mid-ocean ridge. b. They are underlain by warm, young oceanic lithosphere. c. They are covered by microscopic plankton shells and fine flakes of clay. d. They are dissected by submarine canyons.

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.