Answer:
is there a picture i can see so i can help
D would be the answer to your question look it up it's easy
I think it’s the second option. There is a ph scale attached below to explain this. Hope it helps.
Answer:
The cornea is the only part of a human body that has no blood supply but gets oxygen directly from air
for one what are the following? and for two i know the answer im just saying that so you can put the following once you are posting a question
its carbon dioxide