How old is the Universe?

A. 11-29 million years
B. 11-20 billion years
C. 11-20 thousand years


Answer: B

Environmental & Atmospheric Sciences

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Dew PointFor the following questions refer to the temperature and dew point data in the following cities: CityAir Temperature (ºC)Dew Point (ºC)City A3524City B-12-12City C-1-6City D106A humidex reading over which of the following values is considered dangerous?

A. 30 B. 40 C. 46 D. 54

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Metamorphosed limestone becomes ____

a. marble b. quartzite c. granite d. shale e. conglomerate

Environmental & Atmospheric Sciences

Most of the organisms that have ever existed are now extinct

a. True b. False

Environmental & Atmospheric Sciences

A clearinghouse is ________, and a geoportal is ________:

A. data-centric, service-centric B. service-centric, data-centric

Environmental & Atmospheric Sciences