What is an orogeny? What does a theory of orogeny need to explain? What will be an ideal response?


An orogeny is an episode of mountain building. A theory of mountain building must account for many
things: the long narrow ranges that occur at plate boundaries, intense deformation, granitic plutons and
regional metamorphism, and the uplift of shallow and deep marine sedimentary rocks

Environmental & Atmospheric Sciences

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When the mineral assemblage of a rock changes due to high temperature and pressure, the rock undergoes

A) crystal deformation. B) secondary metamorphism. C) recrystallization. D) all of the above

Environmental & Atmospheric Sciences

Water vapor plays a significant role in the greenhouse effect

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Why did surveyors miscalculate latitudes in India in the 1800s?

A) gravitational deflection of plumb lines B) inaccurate readings of stars C) magnetic deflection of plumb lines D) incorrect calculations with correct data

Environmental & Atmospheric Sciences

Off-road vehicles typically reduce soil erosion by compacting the soil

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences