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.
noun. Self-identity is the awareness of one's unique identity. An example of self-identity is the feeling of a teenager that she can be who she is instead of falling into the pressures of drugs and alcohol.1  the identity of a thing with itself.n example of self-identity is the feeling of a teenager that she can be who she is instead of falling into the pressures of drugs and alcohol.