Surface waves cause the most damage, but they are ironically called waveslove waveslight waveslemon waves

Explanation:

Because during this waves, the surface resonance of the wave decay slower than inner ones, this allow potential aftershocks to occur. So, during or after an earthquake, the more destructive activity is in the surface because of this slow decay, which involves more energy in the wavy movement.

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the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.