Which of the following is closely associated with the smell of rotting fish?
A) NH3
B) CH3NH2
C) (CH3)2NH
D) (CH3)3N
D
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Which phase of the above-described situation could be called computer simulation?
a. when the scientists gathered woodrat dropping for lab analysis b. when the scientists learned from the computer that woodrat nest numbers would impact cactus populations c. when the scientists first observed the proximity of woodrat nests and cactus plants d. all of these answers e. none of these answers
Large crystals found in a fine-grained groundmass can indicate a(n) ____
A)origin from a magma with an early intrusive phase followed by an extrusive phase B)origin from a magma with an early extrusive phase followed by an intrusive phase C)rock of mixed volcanic-plutonic origin D)intrusive slow cooling process E)origin from a magma with an early intrusive cooling phase followed by an extrusive cooling phase
Although it is difficult to get a precise number of active volcanoes, a common estimate is about ____
A)100 B)250 C)550 D)1100 E)2000
The bending or crumpling of ductile rock layers is called _______________
Fill in the blank(s) with correct word