Scientists long believed that the discovery of a mummy in the Alps, known as Ötzi the Iceman, provided information on how humans lived 5,300 years ago. More recently, scientists used DNA analysis to discover that Ötzi and modern-day humans have DNA markers in common. How did the study of Ötzi’s DNA change the way scientists viewed the development of modern humans?

i really really really really really really dont know

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.

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wages and job opportunities have grown slowly since the recovery began five years ago, while technology continues to change the nature of work. while many workers enjoy opportunities unimaginable a generation ago, many others feel the economy has left them b

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