Well for starters they could use harnesses to protect them if they fell
C. Teacher would be the correct answer
While A and B often work in . a school environment, a teacher is the best option.
~I hope this helps!~
Answer:
Biomass energy usually provides an irreversible mitigation effect by reducing carbon dioxide at source, but it may emit more carbon per unit of energy than fossil fuels unless biomass fuels are produced in a sustainable manner.
Explanation: