B Carbón dioxide
Not sure
DNA was found to contain only four different chemical building blocks.
If all nations agreed to reduce global warming then It would be good because the seals need icy conditions. So the less global warming then the more icy habitats there will be and the seals will have more places to live.
Hope this helps
There are four forces of evolution: mutation, gene flow, genetic drift, and natural selection.
What's the options they gave you to chose from?
