B problem solver this is correct answer in my opinion
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.
A. Distractions, because it is distracting him from running.
Abiotic are the nonliving things in an ecosystem such as climate and soil type.
