What are the largest sources of coastal pollution in the united states

Agene in a type of bacteria when the ses bacteria reproduce asexually this mutation can only be inherited by

Plants that have reproductive structures called cones are?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen