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Match the Following Events with the Best Estimated Time

Question 41

Matching

Match the following events with the best estimated time.

Premises:
The single supercontinent Pangea is present
The dinosaurs became extinct
The Cambrian Explosion has left fossils of many soft-bodied animals
First cells to contain chloroplasts and mitochondria appeared.
Atmosphere is believed to be like ours today
Responses:
1.9 billion years ago
245 million years ago
400 million years ago
65 million years ago
580 million years ago
540 million yearsago

Correct Answer:

1.9 billion years ago
245 million years ago
400 million years ago
65 million years ago
580 million years ago
540 million yearsago
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