1. ensure to follow the rubric
2. Formats help your research paper flow
the correct spelling is option A.) Retinopathy the prefix is retin or retino
A primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak
<h3>What is antigenic drift?</h3>
Antigenic drift is a phenomenon that causes small changes or mutations in the genes of influenza viruses leading to changes in their surface proteins of the virus, which are HA (hemagglutinin) and NA (neuraminidase).
For this reason, new influenza vaccines are produced yearly to alter the effects that may emerge as a result.
Thus, a primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak
Learn more about influenza here:
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Answer:Ginger Methods of Extraction of Drugs from Silver
Explanation:
A. decrease the burning of fossil fuels