The distribution of sunlight
1)C S phase 2) B interphase, prophase, metaphase, anaphase, telophase 3) A 4) C
The disease is spread from chimpanzees, who are infected with a very dangerous virus that induces rage. These infected chimps are held captive in a laboratory, but a group of animal activists sets out to liberate them. So, they get infected too, and spread the infection further.