Carbon isotope evidence from rocks found on an island off the coast of Greenland, although controversial, suggests that life may have
A) existed and was well established by3.4 to 3.5 billion years ago
B) originated about 3.4 billion years ago
C) existed 3.85 billion years ago
D) originated when the Earth formed 4.6 billion years ago
Correct Answer:
Verified
Q1: If a fossil were to be discovered
Q2: The first life to originate on Earth
Q4: Microfossils found in northwestern Australia in 2011
Q5: Microfossil evidence suggests that life
A) originated when
Q6: Currently, the strongest evidence for microfossils dates
Q7: Microfossils are
A) fossilized microbes
B) the remains of
Q8: Which approach is currently proving to be
Q9: Stromatolites date back to approximately
A) 4.6 billion
Q10: Microfossils found in northwestern Australia in 2011
Q11: Why have studies of the geological record
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