Answer:
B
Explanation:
the sound waves cause the eardrum to vibrate
Answer:
Oxygen enters the lungs through the trachea, which branches into two tubes called the bronchi, which lead to the lungs.
Following a cut or scrape ....
A Mitosis.
....repairs your skin
Answer: The Answers are, A: happens all the time, D: can be caused by genetic drift, and E: can be caused by natural selection.
