Both of Michael Phelps and Caleb Dressel are professional swimmers ( freestyle swimming) so D
Explanation:
-infectious
-microscopic
-specific to their host
-can't reproduce on their own (this is why they are not considered alive)
-no organells or membranes. just a protein coat and genetic material
-3 basic shapes: helical , polyhedral , and comples
The answer is b because children tend to have thicker bones then adults
Answer:They usually, but not always, indicate the body part. Examples: oste/o, neur/o. They act as the foundation of most medical terms.
Explanation: