The answer is A. Excretion I hope this helps
In the military strategy of the south the army remains effective, and mobile before an enemy that is stronger to wear it off over time. The plan of the military strategy of the north has three steps: the Union called for the blockade of the south coast, the capture of Richmond, the capture of Mississippi R. With this plan they toppled the south.
Answer:
genetic mutation
Explanation:
they ancestors changed just a lil
One carbon atom has 4 valence electrons. Hope this helps
