D because if you are trying to reduce the carbon footprint then using less coal or oil based energy would be best. plus using the solar panels will help because all you have to rely on is the sun and your own power bank for energy. there for leaving less of a carbon footprint.
Antibiotics can have many side effects to ur body like dizziness or headaches
but if u were to abuse stronger drugs they can cause hallucinations, seizures, stomach pain and worse