Please help with my homework ! Give an example of an industry with at least one great barrier to entry, and an example of an
industry where virtually anyone can compete.

Which two island are closest to the mainland asia

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 is the phrase describes the paleo-indians of prehistoric arkansas