Summary Pollution is a convenient term used to describe physical and chemical elements whose effect (often deleterious) on the environment has been amplified by humans.
(Summary Pollution; is; a convenient term used to describe physical and chemical elements) (a convenient term; used; to describe physical and chemical elements) (physical and chemical elements; has been amplified; by humans)
Summary Pollution a convenient term physical and chemical elements
is used has been amplified
a convenient term used to describe physical and chemical elements
to describe physical and chemical elements
by humans