Because of the fossils found in these sedimentary layers, we could infer that A) Land plants are older than land animals. B) Vertebrates and invertebrates lived together. C) Invertebrates lived on Earth before vertebrates. D) Land animals lived on Earth before ocean dwellers.

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

answer: 45

explanationyou have to add as well to be it could be

gold i'm pretty sure i might be wrong