If the age of the lowermost layer of a rock sample is more than 2 million years, which of the following could be the age of the upper layers? a. less than 1 million b. greater than 3.5 million c. between 2 million and 3 million d. between 3 million and 3.5 million

Which statement best describes evidence of a mulitcultural mix in east africa? a. because of what he learned during his pilgrimage to mecca, mansa musa was able to build a center of islamic scholarship. b. the traders of ghana brought back with them slaves from the mediterranean who taught the ghana rulers about christianity. c. clans were made up of lineages that were descendants of multiple ancestors from different regions of africa. d. swahili became a language made up of words spoken by traders along the coast of the indian ocean.

What would happen if people from different races were seperated today

The history of ethical regulations in human subjects research began with the: a. declaration of helsinkib. nuremburg codec. common ruled. belmont report