Answer:
we lack oxygen bc of pollution. a large portion of earths oxygen comes from forests, and plankton, so pollution is really starting to limit that.
Answer:
I think it's (E) but I'm not sure
Answer:
The formation of new species would be the correct answer
Explanation:
As the meaning of speciation, speciation is the word that is used to decribe a new, distinct species that have never appeared before.
Hope this help you :3