Answer:
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
The norm of reciprocity is the well accepted social standard dictating that we should treat other people as they treat us.
The norm of reciprocity dictates that we have to give people the same treatment that we receive from them. This norm states that we have to pay people in kind.
The theory tries to teach that people would want to be nicer to others if they are to be repaid back with benefits for benefits.
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Never lie or betray a friend{hope that helps}^_^
The events such as the Greek Revolt from the Ottoman Empire and the Revolutions of 1848 were influenced by the Nationalist movements. The Nationalist movements are a movement created by a group of people seeking their nation's national identity.
The answers are the second and third statements.
Answer: Religious <span>influences</span>
