B, is the answer. I believe.
The middle question is the nucleus, transcription takes place in the nucleus while translation happens in the cytoplasm
Archaea or archaebacteria
I'm pretty sure the answer is B. Invest in alternative energy sources that do not burn fossil fuels. The reason I would pick B is because in Antarctica the ice is melting more and more over time because, cars and factors etc are burning fuels which result in more damage to the ozone layer.
When the mutation is more beneficial compared to the current alleles