Answer:
The correct answer is letter "C": Conceptual skills.
Explanation:
Conceptual skills are theoretical knowledge individuals have that allows them to synthesize abstract ideas with material objects to perform certain duties or pieces of work. In every professional field, conceptual skills are necessary moreover when new ideas are to be introduced to resolve problems.
Thus, Joann Hayes must out in practice her conceptual skills while finding ways to replace the use of non-renewable energy and feasible options to do that practically.