Mammals evolved during the Triassic period. I believe the first mammal was like a tiny shrew-like animals. They called it the Eutherian. But the actually mammals were the dinosaurs.
It is B, Chlorophyll. 100% sure
B is your answer hope this helped
Answer:
Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction
Hope this helps.