<span>glycolysis is the answer</span>
Answer:a compound present in the body as a neurotransmitter and a precursor of other substances including epinephrine
Explanation:
Current estimations are that one in five Americans will develop skin cancer in their lifetime. It is estimated that approximately 9,500 people in the U.S. are diagnosed with skin cancer every day. Which adds up to over 3.3 million persons each year.
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They are constantly contributing to the scientific community and
improving it. There are always new things to be discovered and they are
constantly doing just that?
They developed to be protected by the hard shell from parasites and ther predators.
