You are hiking in eastern Canada over a surface composed of very old igneous and metamorphic rocks. In geologic
terms, you are most likely walking across a(n) ____.
a. continental shelf
b. platform
c. orogenic belt
d. shield
e. continental rise
d
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Why do igneous rocks have so many uses (anything from building stone to abrasive in toothpaste)?
A) They are harmful to the environment, so we use them to prevent harm done. B) They are very easy to attain. C) They are strong because their finely intergrown mineral crystals are difficult to fracture along grain boundaries. D) They are cheap.
This index estimates when crops will mature and be ready for market
A) Heat Index B) Cooling Degree-Days C) Heating Degree-Days D) Growing Degree-Days
Speculate on the environmental consequences of removing water from this
reservoir faster than it is replenished by the hydrologic cycle. What will be an ideal response?
Oceanic ridges and rises result from seafloor spreading along ________
A) convergent plate boundaries B) divergent plate boundaries C) transform plate boundaries D) convergent and divergent plate boundaries E) convergent and transform plate boundaries