Since the hemagglutinin gene is how a virus is able to get into a cell, and the neuraminidase gene disperses those copies into the body. In order to have it transferred from human to human is for the hemagglutinin gene to change.
Answer:
D. learning from someones mistakes.
Explanation:
since its so fast paste and usually mistakes are fatal
Answer:
i like cheese. thank you very much
Explanation:
