Which substance is a yellow-orange pigment that absorbs blue-green light

A.

chlorophyll b

B.

chlorophyll a

C.

carotenoid

Carotenoid is the answer

Carotenoids absorb light in the blue-green and violet region and reflect the longer yellow, red, and orange wavelengths. Chlorophyll a and b: (a) Chlorophyll a, (b) chlorophyll b, and (c) β-carotene are hydrophobic organic pigments found in the thylakoid membrane.