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?

Write the balanced chemical equation forphotosynthesis.

Describe the structure of amino acid, including what makes amino acids different from eachother

4. multiple crosses were made between true-breeding lines of black and yellow labrador retrievers. all the f1 progeny were black. when these progeny were intercrossed, they produced an f2 consisting of 91 black, 39 yellow and 30 chocolate. a. propose an explanation for the inheritance of coat color in labradors. b. propose a biochemical pathway for coat color determination and indicate how the relevant genes control coat coloration.