Multiple Choice
Changes in global temperature over the last 1.8 million years have been calculated by measuring
A) the thickness of glacial deposits.
B) the amount of carbon-14 in volcanic ash layers.
C) the stable oxygen isotopes in shelly fossils.
D) the amount of carbon dioxide in shelly fossils.
Correct Answer:
Verified
Correct Answer:
Verified
Q8: How old are the oldest zircon minerals
Q9: The study of ancient life forms preserved
Q10: In the Grand Canyon-Zion-Bryce Canyon sequence,which one
Q11: Radiometric dating is least useful for dating
Q12: Which of the following statements regarding radiometric
Q14: An undeformed sedimentary layer is _ than
Q15: Who was the first to use fossils
Q16: The study of faunal succession allows<br>A)absolute dating
Q17: Which of the following radioactive isotopes is
Q18: Find the right match in the following