Geography · Internal Structure of the Earth
Which sources provides the most reliable direct and indirect evidence to study the internal structure and layers of the Earth?
- 1Deep-sea surface currents and atmospheric pressure measurements
- 2Satellite imagery of Earth's vegetation patterns
- 3Ocean tidal changes and lunar orbit variations
- 4Seismic waves, volcanic eruptions, meteors, density, and temperature gradients✓
Correct answer
Seismic waves, volcanic eruptions, meteors, density, and temperature gradients
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