The mT air masses pictured here originate





A) over water, are stable, and bring cold air during the summer.

B) over water, are unstable, and bring warm air during the winter.

C) over land, are stable, and bring cold air during the summer.

D) over land, are unstable, and bring warm air during the winter.


B) over water, are unstable, and bring warm air during the winter.

Environmental & Atmospheric Sciences

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A. short range. B. long range. C. none of these D. none of the above

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All of the following are examples of ethnic minorities in Southeast Asia, except:

A) hill tribes B) sea gypsies C) boat people D) all of the above E) none of the above

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The Southern Oscillation Index (SOI)

A) is defined as the monthly sea level pressure departure from normal at Tahiti minus the departure from normal at Darwin, Australia. B) can be used to give a historical perspective on ENSO occurrences. C) is negative during a La Nina event. D) is positive during an El Nino event. E) Only A and B are true.

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The majority of the world's hotspots are associated with plate boundaries. (t/f)

What will be an ideal response?

Environmental & Atmospheric Sciences