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.
All of them are important rules but i would say D because chocolate is fattening and has lots of sugars and eating snack foods is not healthy either.
The ansewer is d. I don't really wanna explain it but I need more letters to post answer :)
The right answer for the question that is being asked and shown above is that: "C. get at least two hours of intense exercise every day." The only way to enhance performance--scholastic, athletic, or otherwise-is to <span>C. get at least two hours of intense exercise every day</span>
