What are the five major extensions that have dramatically influence the diversity of life on earth

End Ordovician

Late Devonian

End Permian

End Triassic

End Cretaceous

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

youre right there are