Which statement about radioisotope dating is false?
A) The isotopes in sedimentary rocks contain reliable information about the dates of their formation.
B) Igneous rocks are formed when molten material cools.
C) The decay of potassium-40 to argon-40 has been used to date most of the ancient events in the evolution of life.
D) Paleomagnetic dating relates the ages of rocks to patterns in Earth's magnetism.
E) The age of igneous rocks can be used to estimate the age of adjacent sedimentary rocks.
Correct Answer:
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Q15: Which of the following was not known
Q16: The time interval characterized by a diverse
Q17: Which statement is true?
A) Radioisotope dating of
Q18: The half-life of carbon-14 is 5,700 years.If
Q19: Which statement about Earth's history is true?
A)
Q21: Which atmospheric gas is most closely associated
Q22: The heat that drives plate tectonics is
Q23: With respect to changes in climate over
Q24: Which of the following has been changing
Q25: Which statement about the Pleistocene is false?
A)
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