SARS-CoV-2 virus that causes COVID is a(n) ___________ virus, but norovirus is a(n) ____________ virus and is therefore more resistant to environmental pressures and can be transmitted by contaminated surfaces (like door knobs, etc.).
Group of answer choices
non-enveloped, enveloped
enveloped, non-enveloped
enveloped, enveloped
non-enveloped, non-enveloped