What deformation mechanism is particularly active in finegrained rocks at high temperatures (in the lower crust and the mantle)?

What will be an ideal response?


Answer: Grain boundary sliding, previously referred to as superplastic creep

Environmental & Atmospheric Sciences

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With a surface anticyclone in the Southern Hemisphere, the winds spiral ________

A) clockwise and inward B) clockwise and outward C) counterclockwise and inward D) counterclockwise and outward E) to the west

Environmental & Atmospheric Sciences

Approximately 95% of Earth's crust is made up of

A) phosphates. B) silicates. C) oxides. D) carbonates.

Environmental & Atmospheric Sciences

vascular or non: fern

What will be an ideal response?

Environmental & Atmospheric Sciences

Switzerland has four official languages. What conditions exist in Switzerland that allows the peaceful coexistence of the four official languages?

A) There is a strict policy of national government control that keeps the peace. B) Switzerland created a government that places considerable power in small communities. C) The Swiss government established the four languages in the constitution when the country was formed. D) The people of Switzerland voted for a law that says that if a given language represents 10% of the total, the language will become an official language. E) The languages do not really coexist in peace, there is constant protest by the majority of people in Switzerland to declare two official languages: French and German.

Environmental & Atmospheric Sciences