The most abundant gas emitted by a typical volcano is ___
a) carbon dioxide
b) water vapor
c) hydrogen sulfide
d) sulfur dioxide
e) hydrochloric acid
Answer: b) water vapor
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On the accompanying figure, what type of feature is located in the area of letter C?
A) Transform fault
B) Midocean ridge
C) Linear island chain
D) Fracture zone
Which functional group is found in aldehydes?
A) -CHO B) -CH2OH C) -COOH D) RCOR'
In economic base analysis, export means foreign exports
Indicate whether the statement is true or false
A widely cited theory associates active faults and earthquakes in China and southeast Asia to the India-Eurasia collision. This theory suggests ________
A) India is moving west relative to Eurasia, pulling central Asia away from East Asia B) subduction beneath East Asia is pushing East Asia toward the Himalaya, forming young mountains between the Himalaya and Pacific subduction zones C) East Asia is moving toward the Himalaya, causing faulting and earthquakes D) India is plowing into the "soft underbelly" of Asia, pushing East Asia eastward