Answer:
Pollutants are harmful solids, liquids, or gases produced in higher than usual. Air pollution mainly affects those living in large urban areas, where road. and transported from one region to another area located far away.
Explanation:
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In Chicago, this building was renamed to the "Willis Tower" They planned on reintroducing this building to the world.
It shows what certain symbols or pictures could mean on a map, and in addition, could show a scale that converts inches or centimeters that you can measure with a ruler to miles.
