Theory because a theory is a well substantiated explanation of how a particular phenomenon works based on the set of facts which had been repeatedly confirmed through observations and experiments. A scientific theory gives reliable account of a phenomenon.
Answer: A
Explanation:
because I used it during the quiz an I passed so, that is the correct answer.
C. The presence of predators could cause natural selection because it would mean survival of the fittest.
Chemically speaking, enzymes are composed of chains of amino acids, and they are considered to be a type of protein.
