It would be best to take it to a vet and ask if he has anything on him, or if he is going through some sort of emotional state
1. aerobic means "with oxygen" and anaerobic means "without oxygen"
2. aerobic can mean small exercises meaning you aren't using too much of your body's muscles and bones to workout. Anaerobic can mean big exercises meaning weight lifting.
3. With aerobic exercise the oxygen is carried through your breath to the muscles giving them the energy they needed. This is basically an example of a warm-up before an exercise. Anaerobic however makes you out of breath quickly because without doing the warm-up and you just go into the workout you are making yourself weak and not have enough energy.
Hope this helped :)
Have a schedule, some kind of goal, some kind of reward along the way.
C i think is prbly the best option
Answer: A.) If you have contracted a vector-borne pathogen