Answer :
The statement should refer to the most important reason is option b. Electricity from burning fossil fuels is used to make solar panels.
What is solar energy power?
It is the energy that arise from the sun that should be converted into thermal or electric energy.
It is the cleanest and the most abundant renewable energy source available.
So based on this, the option b is correct.
Learn more about solar energy here: https://brainly.com/question/2083384