That he is alone in the world and he has no one to fallback on to support him.
I believe c i hope this helps!
Answer:
c. pupil I think
Explanation:
Light enters the eye from the cornea then passes through the pupil onto the retina.
"<span>d. high levels of both minerals and salinity" would be the best option, since without direct contact with larger bodies of water it's very hard for the minerals and salt to dissipate and "spread out".</span>
