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.
Answer:
The answer is Scapula and Clavicle.
Don't know if you typed this too fast spelt something wrong, so I'm not sure, sorry.
All of the above assuming yo also have a good diet
