The answer to this question is C. URANIUM, although it is dangerous in other ways, it does not release co2
Pepsin is produced in the stomach and breaks some of the peptide bonds in polypeptide chains.
Answer:
He said they all came from one ancestral species.
Explanation:
They all came from the same species but mutations due to their differing habitats changed them all slightly.
White blood cells ( lymphocytes is correct though)
