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===Meaning===
'''Pollution''' is the harmful [[Chemical|chemicals]] that go into the [[Environment|environment]] usually made by [[Human|humans]].
===About Pollution===
: There are many different kinds of [[pollution]]. Some go into the [[Air Pollution|air]] where they can be [[inhale]]d by [[organism]]s, some go in the [[Water Pollution|water]] where they can be [[ingest]]ed by [[animal]]s or [[Absorb (Biology)|absorbed]] by [[plant]]s and some may get into the [[soil]] where they can also be [[Absorb (Biology)|absorbed]] by [[plant]]s.
: '''Pollutant'''s can harm the [[organism]] which first takes them in or it can harm [[organism]]s further along in the [[Food Chain|food chain]] as the [[pollution]] can be [[concentration|concentrated]] as it is passed along to the next [[Trophic Level|trophic level]].
: [[Pollution]] can damage entire [[ecosystem]]s and reduce [[biodiversity]].
===Pollution and Disease===
: [[Air Pollution|Air '''pollution''' ]] is a [[Risk Factor|risk factor]] in [[lung]] [[disease]]s including [[Lung Cancer]].