QUESTION 9 Metamorphic rocks are produced when rocks are O physically broken dow

Question

QUESTION 9 Metamorphic rocks are produced when rocks are O physically broken down. O recrystallized through chemical processes. O melted in the mantle and emitted as lava. O formed by heat and pressure. O chemically weathered. QUESTION 10 "Subduction" is the process of a tectonic plate O being forced below another plate. O falling freely into the mantle. O being sucked into the outer core. O sliding alongside another plate. O melting without moving. QUESTION 11 Coal would be obtained through O fracking. O heap-leach extraction. O mountain-top removal. O drilling a well.

Explanation / Answer

9 formed by heavy heat and pressure from a parent rock

10 being forced below another plate

11 racking or hydraulic fracturing is the process n which pressurised fluid is injected into wells in a mining process

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