Which of the following is evidence that Earth's history is not short?
A) millions of layers of light- and dark-colored sediment that record yearly cycles
B) rates of seafloor spreading compared to the width of the Atlantic Ocean
C) a 4-billion-year age on a rock in Canada
D) thousands of isotopic ages measured by different methods
E) all of these

Question

Quizplus · Accepted Answer

Each option (A through D) provides evidence supporting the idea that Earth's history spans billions of years, from sediment layers that record vast amounts of time, to the slow process of seafloor spreading, the dating of ancient rocks, and the consistency of isotopic ages measured by various methods.

Which of the Following Is Evidence That Earth's History Is