I think it would be D hope this helps
<span>the outer ear is used to collect sound waves.
</span>
(D) It uses enzymes to liquefy food and kill bacteria to be further digested in the intestines.
The alveoli are lined with mucus and are surrounded by a network of blood capillaries. They have very thin walls for gases to be absorbed through. An individual air sac is called an alveolus. The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.
It will affect the wind in the future because most wind currents will converge into multiple distinct locations like windfarms. This will make wind less prominent in other locations without wind farms
