Answer this question: Denise was driving east over a hill in the afternoon, shortly after a rain shower. Suddenly the sun broke through the clouds, and she saw a rainbow ahead of her. Which of the following made the rainbow possible. Available choices: (1). Sunlight can be separated into all the colors of the rainbow. (2). Water reflects sunlight like a mirror to make it look colored. (3). Overhead black clouds reflect in puddles to cause a mirage. (4). Air pollution causes the sky to look colored under these conditions. .
Answer: