The correct answer is C. Artiodactyls
They've been around more than the others and have existed for some 55 million years.
Answer:
Many organisms found on reefs produce chemical compounds that have been used in treatments for cardiovascular diseases, ulcers, leukemia, lymphoma, and skin cancer, and many more remain undiscovered.
Explanation:
hope this helps... but maybe not so sorry if im wrong :(
I would say it is unethical becuase many young children can't tell when they are being marketed to and you should focus marketing to the kids parents.
Enzymes are used to speed up reactions. They’re also called catalysts and their main purpose is as a speed boost for reactions
