(A) eardrum
A. Eardrum
Explanation: Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear.
Answer:
Cellular respiration.
carbon and three oxygen atoms
Answer is
C) Lysozyme
this is an enzyme that kills bacteria