Which of the following was NOT one of the characteristics of the early middle ages: A: More learning and literacy
B: Disruption of trade
C: A loss of a common language
D: The decline of towns and cities

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