Answer:
Enzymes acts as catalysts to speed up chemical reactions.
Explanation:
Enzymes are otherwise known as biological catalysts which means that the help speed up reactions and break down large food molecules.
B.An advertisement for acne medication claims it can clear up acne in less than one week.
Answer:I believe it is Carbon
Explanation:The basic building block of all living things is a cell. The basic element would be carbon.
