Hello there :)
I am quite sure this is a true/false question
This statement is false.
Yes, the cilia and mucus in the trachea does sweep upward, however, it moves the mucus towards the pharynx where it is swallowed not towards the nose where it is sneezed out.
I believe the correct answer is a. mutations.
Answer:
Hawks
Explanation:
As you go up in the trophic levels, energy is converted into heat energy. I recommend that you read about the 10% rule
