There were no geologists alive when the bright angel shale layer formed. however, scientists have been able to determine that this rock formed near the shore of an ocean. what evidence could geologists use today to find out about this ancient rock layer?

What do scientists need to look at before developing an argument

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

Involving transcription and translaton. explain the causes and effects of damage to the genetic code.