Answer:
an environmental (issue)
Explanation:
The person is talking about how throwing plastic out is "harmful to the planet" in which the planet = earth = the environment.
Thus, Nadine is talking about an environmental issue
Virus is the simple subject because the subject is whatever is before the verb
and in this case....'is" is the verb
It was so funny to hear him that we wanted to laugh and cry too
5-2-6-1-3-4-7 hope this helps!!!!!!!!!!!!!