The physical characteristics of influenza viruses are that they are single-stranded, RNA viruses enclosed in a helical nucleocapsid. On the outside, these viruses are enveloped. Two important proteins are found on surface of this envelope: hemagglutinin and neurominidase.
I'd say the most questionable source of health information is D. A health care professional because people are more of a reliable source than websites. A health care professional is also trained to do these certain things.
-rhear
False blood flows to pick up oxygen not carbon dioxide
I think it’s B. The climate changed, and crocodiles could not survive in this region,
it sounds right
hope this helped! :)