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.
According to verywellfit “Cardio exercise simply means that you're doing a rhythmic activity that raises your heart rate into your target heart rate zone, the zone where you'll burn the most fat and calories.”
Answer:
Demographics can include any statistical factors that influence population growth or decline, but several parameters are particularly important: population size, density, age structure, fecundity (birth rates), mortality (death rates),
Explanation:
Almost every single place does.
There are websites such as these to help:
https://findtreatment.samhsa.gov/
My best answers would be C
