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.
We need the data to do this problem
I believe the answer is D
Explanation:
families and friends have advantages and disadvantages is our health mostly mental health
ANDVANTAGES:
-they can motivate you to do more amazing things
-they can help you achieve your goal
-they can be at your side during your worsts
DISADVANTAGES
-they can lead to depression (sometimes)
-they can pressure you which leads to anxiety
hope it helps lol
