In the central and southern part of Mexico. From about the 15th and 16th century. You might find some people still following the traditions, honoring their ancestors in Tenochtitlán.
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because of discrimination one toother . and for to remove all the social issues like untouchability, lower and higher caste , age discrimination etc.
Answer:
a pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule.
