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The oldest meteorite fragments found on Earth are about 4.54 billion years old; this, coupled primarily with the dating of ancient lead deposits, has put the estimated age of Earth at around that time.[38] The Moon has the same composition as Earth's crust but does not contain an iron-rich core like the Earth's.

Answer:

B) Taxonomy is subjective and open to individual interpretation.

Explanation:

Taxonomy is subjective and open to individual interpretation. While classification can be subjective, it is the best system we currently have. Scientists do not arbitrarily change classification schemes, but once a different opinion is voiced, it is examined and discussed before any decisions are made. Change is not always a bad thing.

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