Because the toxins from gas are not good to breath in and eventually we will al die from it
I would say B-growth of a villages into cites or C
I would say b and d from your choices. This is because urban areas have jobs so there aren't people living in poverty there. Also, i don't see how poverty has to do with environmental issues, because if you're poor your more focused on survival (d) than other environmental issues.
Divergent plate boundaries are regions where two adjacent plates move apart. (Mid-Atlantic Ridge and the East African Rift Zone.)
Examples of volcanoes that are located along divergent plate boundaries include Krafla Volcano in Iceland, as well as Erta Ale and Oldoinyo Lengai in Africa. Krafla Volcano is situated in the northern section of Iceland.Erta Ale and Oldoinyo Lengai are located within the East African Rift Zone.