Solar cells are used to
a.

photograph sunspots.
b.

convert sunlight into electricity.
c.

convert sunlight and carbon dioxide into sugars.
d.

convert electricity into solar energy.

A Solar Cell is one of those black panel things you see on some houses and in some fields. These generate Electricity to supply the house, or a power plant nearby. The answer is C.

every el niño cycle is different. every year.