Asked by Mulham Shbeib on Jun 05, 2024
Verified
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
Seafloor Spreading
The process by which new oceanic crust is formed at mid-ocean ridges and slowly moves away from them.
Isotopic Ages
The determination of the age of rocks, minerals, or samples by measuring the relative abundance of specific isotopes.
- Understand the principles of the geologic timescale and the antiquity of Earth's oldest formations.
Verified Answer
OL
Octavio LimpiasJun 07, 2024
Final Answer :
E
Explanation :
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.
Learning Objectives
- Understand the principles of the geologic timescale and the antiquity of Earth's oldest formations.
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