Ask your teacher. Depending on what he/she wants, the teacher may or may not deduct points from your assignment. Good luck!
Answer:
<em>Basically enzymes are biological catalysts. They speed up chemical reactions. Enzymes are required mostly of the chemical reactions that happen in organisms . These reactions happen in the breakdown of chemical molecules. That is what we see in our digestive system .</em>
Explanation:
Answer:
There is no oxygen in space
Explanation:
space is a vacuum where there is no oxygen.
