QUESTION 1 Cause ? 1/10 Effect This keeps extra light out of the sky. Based on the article, which best replaces the question mark in the diagram above? A. In Tekapo, street lamps have low-energy sodium lights. B. In Tekapo, street lamps must use small yellow lights. C. In Tekapo, street lamps have to face up, not down. D. In Tekapo, street lamps must be turned off at a certain time.​