How did the innovations and economic changes transform
American society in the 1950s and 1960s?

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

Which of the following cultures were among the earliest known inhabitants of north america? a) mayab) incac) anasazi d) olmec

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste