<span>the function of the mucus blanket in the lungs is to filter and moisten the air.</span>
Answer: B. Lungs
Explanation:
The lungs are the only organ in the body that can float on water.
<span>"A butterfly population includes both green and yellow butterflies, and a predator sees yellow more easily than it does green" would lead to evolution since the green ones would live on. </span>
