The correct answer for this question would be A) Nnew = Nold.
Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.
Hi!
Both Josiah and Maleek are correct, because phylogenic trees are a type of cladograms. =)
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