Explanation:
HIV can be spreaded through genes, blood, breast milk etc. making it very easy to be spreaded among family members.
Answer:
According to one long-held theory about the origins of South Asia's caste system, Aryans from central Asia invaded South Asia and introduced the caste system as a means of controlling the local populations. The Aryans defined key roles in society, then assigned groups of people to them.
Explanation:
Out of which priests emerged victorious to supreme their power over India. ... The caste system is a significant social system in India. One's caste affects their options regarding marriage, employment, education, economies, mobility, housing and politics, among others.
Darwin's concept of natural selection is most closely related to the branch of psychology known as evolutionary.
Charles Darwin's work serves as inspiration for evolutionary psychology, which applies to the mind his theories of natural selection. According to Darwin's hypothesis, all living things, including humans, evolved into their current biological forms over the course of history by a series of random, inheritable mutations.
Darwin made several contributions to psychology, including the demonstration of species continuity, a model for the study of instinct, a work on emotional expressiveness, and a biography of a baby. Darwin had previously been honoured, and it is stated how attitudes about his work have changed since it was published.
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