The one that makes the most sense to me, would have to be B. A would not be a benefit at all. While C doesn't necessarily makes sense as the device is only designed to capture energy from ocean waves. And D doesn't make sense to me in general.
Protons. Neutrons have no charge, so yeah. Protons are the answer.
<span>The best answer to the question above is (c.) follicle. In the female body, each egg is surround by a follicle, which breaks open when the egg is mature. This follicle helps the egg to move around and catch the sperm cells during the fertilization.</span>
I’m pretty sure it may be: ecology ?