Explain the significance of metamorphism taking place below the melting temperature of a rock


By definition, a metamorphic rock can not be formed from melted rock. If a rock melts and re-forms it becomes an igneous rock, not a metamorphic one. Metamorphism occurs when the rock is in its solid state.

Environmental & Atmospheric Sciences

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The Köppen climate classification system uses mean monthly and annual values of ________ and ________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

"B" type climates generally occur

A. along the equator. B. near the poles. C. along the Gulf Stream. D. beneath sinking air.

Environmental & Atmospheric Sciences

In the early days of its colonization, Britain used Australia as a

A) tourist destination. B) prison colony. C) plantation. D) source of natural resources. E) source of slaves.

Environmental & Atmospheric Sciences

Deep inside landfills, bacteria decompose organic wastes in a low oxygen environment. This anaerobic decomposition results in a mix of gases called landfill gas, which consists of about 50% ________

A) hydrogen B) methane C) carbon monoxide D) chlorine gas E) argon

Environmental & Atmospheric Sciences