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.
The rice purity test is a national phenomenon that has taken the world by storm over the last several years. It is defined by Wikipedia: as a self graded survey that assesses the participants supposed degree of innocence in worldly matters (sex, drugs, deceit and other activities assumed to be vices).