Fact 1: Refracting sunlight causes sunlight to split into different colors. Fact 2: Colors are the Rainbow spectrum. Given the two facts above, refracting sunlight?
I. it can be seen. II. an electron microscope. III. causes rainbows. IV. prisms. V. causes photosynthesis. VI. oxygenates. VII. electromagnetic energy. VIII. by indirect light.
Answer:
III.