I change my face with the light, appearing vibrant or dull. What am I?
Category: Science · Difficulty: hard
Hint: Think about what gives plants their green color.
Answer
Plant pigment
Explanation
Chlorophyll absorbs light for photosynthesis, appearing vibrant in sunlight.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Plant pigment.
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