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 known as self-harm, self-mutilation, or self-abuse occurs when someone intentionally and repeatedly harms herself/himself in a way that is impulsive and not intended to be lethal. The most common methods are: Skin cutting (70-90%), Head banging or hitting (21%-44%), and. Burning (15%-35%).