What is a negative imapct that bioenginnered plants may have on the environment

What happened to rosalind franklin in 1956?

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

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