When did the extinction of the dinosaurs occur?
A) about 3.5 billion years ago
B) about 2 billion years ago
C) 540 million years ago
D) 65 million years ago
E) less than 1 million years ago
Correct Answer:
Verified
Q8: Why do some scientists think that Jupiter's
Q9: The analysis of Martian rocks on Earth
Q10: How does the Kepler mission plan to
Q11: Where have scientists begun a concerted search
Q12: Which of the following is the most
Q14: What is absolutely necessary for living organisms
Q15: Which of the following causes mutations in
Q16: Which living organisms most resemble the common
Q17: Which of the following statements about ozone
Q18: Why do some scientists say that the
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents