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 harm. 1  An expression used to describe the act of hurting oneself, most of the time by cutting but also burning, breaking bones, hitting yourself etc. It is a general view that people self harm for attention which is normally not the case.