Answer:
I think that the answer is C.
Explanation:
If the levels of algae were too high then it would be the reason as to why the fish died. When the algae went back to normal,the fish were able to live there again.
I hope that helps!
Sorry i cant read it so good. can you take another picture.
Answer:
I know that keratin is found in the protein of hair, nails, horn, hoofs, wool, feathers, etc.
Explanation:
Answer:
helps in receiving the sperm cell which helps in fertilization
Explanation:
I think both are A I’m not sure