Answer the following question: You are presented with the question "What causes a refraction of light?" and the following answer choices: - compound of hydrogen oxygen - focusing a lens - that material's properties - photosynthetic pigments? - oxidation reaction - a hemisphere is tilted away from the sun - sunlight beams - solid, liquid, gas Now knowing that water causes refraction of light and water is a compound of hydrogen and oxygen, choose the best answer.
Answer:
compound of hydrogen oxygen