Which two properties of a solar cell material would generally be most important to a business owner who wants to install rooftop solar cells on a building?

A. Flexible materials and low cost
B. crystal structure and efficiency
C. low cost and efficiency
D. Production time and low cost

1 answer

C. low cost and efficiency

For a business owner looking to install rooftop solar cells, the most critical factors would generally be the cost of the solar cells (to ensure a good return on investment) and their efficiency (to maximize energy production from the limited space on a rooftop).