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.
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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.
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
The Köppen climate classification system uses mean monthly and annual values of ________ and ________
Fill in the blank(s) with correct word
"B" type climates generally occur
A. along the equator. B. near the poles. C. along the Gulf Stream. D. beneath sinking air.