Geology · Earth History
Which of the following lines of evidence is most valuable for scientists attempting to reconstruct historical global climates and evolutionary changes over geological time?
- 1Chemical compositions of shallow freshwater runoffs in urban industrial zones.
- 2Real-time acoustic tracking data gathered from deep-sea marine mammals.
- 3The fossil record preserved within stratified marine sediments.✓
- 4Atmospheric trace gas patterns recorded from contemporary surface wind trends.
Correct answer
The fossil record preserved within stratified marine sediments.
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