The past 2 million years, which includes our present time, is known to geologists as the:
A) Cambrian Period
B) Quaternary Period
C) Cenozoic Era
D) Mesozoic Era
E) Precambrian Period
Answer: B
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Batholiths are typically __________
a) Lens shaped b) Fine grained c) Composed of basalt (mafic magma) d) Tabular and concordant e) None of the above
Periodic uplift or wave-cut platforms result in ____.?
A) ?river valleys known as fjords B) ?protruding shorelines termed headlands C) ?stair-step formations called marine terraces D) ?crescent-shaped shoreline called bays
The EU faces which of the following structural problems?
A) high labor costs B) economic rigidity which stalls the growth of smaller companies C) costly social welfare programs D) all of the above E) A and B only
The Sun is directly overhead at Mexico City (latitude 19°N)
a. ?once a year. b. ?twice a year. c. ?four times a year. d. ?never. e. ?every month.