Concentration (ppm)
0.5T
0.4+
0.3+
0.2+
0.1+
4 A.M. 6 A.M. 8 A.M. 10 A.M. 12 P.M. 1 P.M. 2 P.M.
Time of the Day (h)
hich of the curves on the graph depicts the concentration of ozone, which requires sunlight to form?
AB
OC
3 P.M.