What are the disadvantages of having a multi-ethnic community?

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

How did the soviet union respond to the establishment of west germany and west barlin?

The development of england as a nation-state occurred because of increasing?