10. The manager of a recycling center wants to know how many of his customers recycle their batteries. After
calling and surveying every fifteenth customer listed in
his files, he finds that 46% of them recycle their
batteries. He concludes that about half of his customers
recycle their batteries. Is this conclusion valid? Justify
your answer.

he discover   the sea route around africa hope that ! : )

explanation:

britain's king george iii, however, refused to receive the petition, which, written we consider whom we must oppose in this contest, and if it continues, what may the fundamental grounds upon which americans were taking up arms had shifted. that king george refused to so much as receive the

the correct answer is a) egypt and china.

egypt and china are two of the world’s oldest civilizations known by man. both ancient empires have left a great historic and cultural legacy to the world through archeology. both civilzations developed complex social relations, had deep religious beliefs, had dominion of agriculture and left writing records to understand their customs and culture.

among the requirements to consider a civilization, we find urbanization, writing records, a place of residence, agriculture methods, technological specialization, means of transportation, currency, population density, social stratification, and political integration.