I believe the answer to this question is C:they have more saturate
I hope this is correct and helps
The correct answer is: B) coal.
Coal is a sedimentary rock black or brown color composed of carbon with variable amounts of other elements such as hydrogen, sulfur, oxygen, and nitrogen. The formation of coal goes through two steps: decay of dead plant matter into peat and conversion of peat into coal under the influence of heat and pressure of deep burial.
A quick Google search revealed that Andrew Johnson was the 17th president of the United States.
I'm pretty sure it's Cells
Umm where is the questions ?