clicker questions midterm2

clicker questions midterm2 - C licker Questions: Midterm 2...

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Clicker Questions: Midterm 2 1. CO2 in the atmosphere today is approximately…385ppm (parts per million) 2. Nitrous oxide forms from…combustion or burning of oxygen in a nitrogen-rich atmosphere 3. Which of the air pollutants is photochemical in origin? Ozone 4. An inversion layer occurs…when cold air underlies warm air 5. The most powerful greenhouse gases are…CO2 and methane (CH4) 6. The most significant early nationwide US legislation to curb air pollution was in the…1970s 7. If the front of a glacier is observed to be receding, it is most correct that the glacier is…moving more slowly than it melts 8. Wind-deposited glacial flour from great dust storms at the edge of glaciers is termed… loess 9. A pyramidal-shaped mountain peak sculpted by glaciers is called…a horn 10.Landform characteristics of valley glaciers include…all of the above -horns arêtes and cirques -hanging valleys, moraines and great scenery -U-shaped valleys, lateral moraines and arêtes -cirques and fjords
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This note was uploaded on 01/05/2011 for the course GEOL 108 at USC.

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clicker questions midterm2 - C licker Questions: Midterm 2...

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