It is b I just took the test
Answer:
B. Produce cells that are genetically identical to one another
The body are digested by bacteria and thus recombines with soil and increase fertility of the soil !
Hello There! ^_^
Your question: What gas found in cigarette smoke and automobile exhaust, blocks the transport of oxygen by hemoglobin in the blood..?
Your answer: Carbon Monoxide is the gas that is found in cigarette smoke and automobile exhaust, blocks the transport of oxygen by hemoglobin in the blood.
Hope this helps! :D
Hydrogen,oxygen,nitrogen and carbon. Some might also contain a fifth element, sulfur. (Hope this helped!)