Which of these list of elements would complete the chart? ​ A) C, H,O
B) C, H,O, N
C) C, H,O, N,P
D) C, H,O, N,P, S

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.