Geography · Geomorphology - Igneous/Primary Rocks
Which of the following combinations of physical processes represents the three distinct triggers for the melting of solid rocks into magma within the Earth?
- 1Increase in temperature, decrease in pressure, and change in rock composition✓
- 2Crustal extension, hydrothermal circulation, and mechanical weathering
- 3Isostatic rebound, continental drift, and subduction zone hydration
- 4Increase in pressure, decrease in temperature, and mineral recrystallization
Correct answer
Increase in temperature, decrease in pressure, and change in rock composition
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