Why is air pollution a priority issue?
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Air pollution is the leading environmental health risk humans face. The combined effects of outdoor and household air pollution cause around 7 million - one in eight - premature deaths every year, largely as a result of increased mortality from stroke, heart disease, lung disease, and cancers.

Air pollution is caused by factories that work on cars those type of factories can cause Air pollution to the human health , Scientists have discovered that 10 million people died each year of air pollution

your answer should be c, it seems to be the only one that makes sense. mark me branliest : )

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.