Due to rock cycle processes, finding old rocks by radioactive methods is difficult. What is the age of the oldest single rock found on Earth to date?
A) more than 2 billion years
B) more than 2.5 billion years
C) more than 3 billion years
D) more than 4 billion years
Answer: D
You might also like to view...
Which of the following depositional features is produced
a. Marine terrace b. Sea stack c. Spit d. Sea arch e. Wave-cut platform
Any bending of light other than by reflection or refraction is
A. dispersion. B. interference. C. diffraction. D. all of the above
Willingness to join together to form a government to solve common problems is
A) a political community. B) a state. C) a constitution. D) an election.
Dry summers and winter precipitation maxima characterize this small biome is located in 5 disparate locations, typically on the west coast of continents between 30° and 40° latitude
A) Mediterranean shrubland
B) Midlatitude grassland
C) Midlatitude broadleaf and mixed forest
D) Tropical savanna