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A scientist studied four fossils of a marine mammal dating back to 50 million years, 45 million years, 40 million years, and 30 million years ago. Which fossil is most similar to the present-day mammal?
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A scientist studied four fossils of a marine mammal dating back to 50 million years, 45 million years, 40 million years, and 30 million years ago. Which fossil is most similar to the present-day mammal?

User Jitesh
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4 votes
The 30 million years ago, because its the  closest one to us. Wait is there a picture to it ?
User Duncan Coutts
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