Choose from:
(1). tulips;
(2). wind;
(3). algae;
(4). trees;
(5). earth;
(6). fire;
(7). water;
(8). Green;
Q: Fact 1: Fire converts chemical energy into light and heat energy. Fact 2: And since infrared energy is heat, it warms the Earth. Given the two facts above, what converts chemical energy into light and warmth for earth?
A:
(6).