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Mnenie [13.5K]
2 years ago
7

Scientists believe that some mass extinction events are possibly caused by asteroids, volcanic activity, or climate

Biology
2 answers:
vesna_86 [32]2 years ago
8 0

Answer: 5

Explanation:

hichkok12 [17]2 years ago
5 0

Answer:

5

Explanation:

just took the test

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