Explain the diffusion of the bubonic plague along trade routes in the 14 th ce. How did the plague effect urban areas? how did the spread of the plague affect different ethnic groups?.

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