Decide which of the following day-to-day activities might be considered aerobic exercise (1pt) 1. surfing the web 2. taking a catnap 3. mowing the lawn 4. paying bills

Ireally need to know this answer asap

Christopher came down with chicken pox after spending time in his child’s day care. the chicken pox represents what link in the chain of transmission in this scenario?

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?