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.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

d. cellulose and starch