Can someone help me fill in the blanks, thanks

If the first nucleotide after the promoter on the bottom dna strand in the simulation is changed from c to t, what would the resulting nucleotide be on the mrna? test your prediction by making the change and running the simulation.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Several billion years ago which gas was the least prevailant in the atmosphere