The study of the atmosphere and the processes that produceweather and climate is. 11. The science of is the study of the universe. Formation of Earth 12. The hypothesis suggests that the bodiesof our solar system evolved from an enormous rotating cloudcalled the solar nebula.
Definition of selfâpurification. 1  1 : purification by natural process selfâpurification of water. 2  2 : purification of oneself.
Self-injury, also called self-harm or self-mutilation, is defined as any intentional injury to one's own body. Usually, self-injury leaves marks or causes tissue damage. Self-injury can involve any of the following behaviors: Cutting.