2041-02-01-02-00_files/i026.jpg
image by kieff

the above image shows a supercontinent that is part of a theory by alfred wegener. this supercontinent is a part of the theory of
a.
tectonic activity
b.
continental drift
c.
divergence
d.
the layering of the earth

I believe it's A or B. Continental drift, depends on the tectonic plates moving.

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.”