A rock that is 300 million years old comes from the ________ Era
A) Cenozoic
B) Mesozoic
C) Paleozoic
D) Permian
Answer: C
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Which of the following clouds form in descending air?
A. mammatus B. cumulus fractus C. cumulonimbus D. pileus
Ozone
A) is formed mainly in the troposphere where it diffuses to the stratosphere. B) is only formed through natural processes. C) is destroyed by halogens in chlorofluorocarbons. D) is only destroyed through natural processes.
This city which has been called "Russia's window to Europe" is located on the Gulf of Finland
A. Moscow B. St. Petersburg C. Kiev D. Donetsk
In order to become a global industrial power, Japan had to overcome which of the following problems?
A) high labor costs B) abundant energy sources C) distance from consumers D) weak consumer demand E) proximity to China