You are in mid-latitudes in winter. You experience heavy snow followed by a dramatic drop in temperature as a cold front passes, but for almost 24 hours the weather is clear
Then, high clouds appear in the west, thicken to stratus clouds and you receive a light new snowfall (aka snow flurries) but the temperature remains cold. You have just seen the passage of ________.
A) an occluded front B) a warm front C) a second cold front D) a stationary front
A
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A series of 5 moderate earthquakes moved northward up to the Calaveras Fault preceded both the large quakes of 1865 and 1868.
Answer the following statement true (T) or false (F)
How much is the legal marijuana market worth in the U.S.?
A) 10.2 million B) 10.2 billion C) 2.7 billion D) 2.7 million E) none of the above
Areas of rugged, barren terrain dissected by a dense maze of steep gullies and ravines are called _____
a. mesas b. plateaus c. pediments d. badlands e. loess
Which model was developed to explain the opening and closing (creation and destruction) of ocean basins?
a. phylogeny b. parallel evolution c. endosymbiosis d. Grenville orogeny e. Wilson Cycle