What characteristic of the light is affected by the amplitude of the light wave

(A) color
(B) brightness

I think B but I'm not sure.

Amplitude of the light wave impacts brightness; the wavelength is what impacts/is associated with color.

i believe the answer is true.

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph