To help the reader understand some of benefits of...

Câu hỏi: To help the reader understand some of benefits of solar energy, the author ______.

A provides a list of solar energy projects.

B lists in chronological order the invention of various systems that gather the energy of sunlight.

C describes in detail how a PV system works.

D briefly compares and contrasts the differences in using fossil fuels, nuclear fission and solar energy in electric power systems.