Alava flow cools as it moves away from the vent. how would this affect the surface appearance of the lava flow?

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”

Increased profits reduced health risks

The peak above is part of the  sierra madre occidentals ,  a chain of volcanic mountains that runs through the middle of central america. 

Poverty can be changed through new jobs , raising the minimum wage , and support pay equality.