When did most dinosaurs become extinct?
A) around 500 million years ago
B) around 65 million years ago
C) around 1 million years ago
D) around 10 000 years ago
Correct Answer:
Verified
Q10: In what types of rocks are fossils
Q11: Which of the following periods did NOT
Q12: Which of the following is the importance
Q13: When did the most severe mass extinction
Q14: What happened during the Cretaceous period?
A)Mammals diversified
Q16: Which of the following is the oldest
Q17: Most paleontologists agree that the parts originally
Q18: When did mammals undergo an evolutionary "explosion"
Q19: What was the era during which the
Q20: What is the evolution of many species
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