How do upper-air fronts form??
What will be the ideal response?
ANSWER: Upper-air fronts form when the tropopause—the boundary separating the troposphere from the stratosphere—dips downward and folds under the polar jet stream. In the fold, the isotherms are tightly packed, marking the position of the upper front. Although the upper front may not connect with a surface front, the position of the surface front is shown in diagrams.?
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from 80 different countries into a summary report Indicate whether the statement is true or false.
Oil price history shows that prices have changed sharply on several occasions. Which is NOT an event that led to a sharp fluctuation in barrel price?
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A full lunar tidal cycle is ________
A) 12 hours in duration B) 12 hours 25 minutes in duration C) 24 hours in duration D) 24 hours and 50 minutes in duration E) 48 hours in duration
Match the convergent boundary with a real-world example
A) North American and Juan de Fuca plates B) Indian and Eurasian P=plates C) Pacific and Philippine plates 1) Oceanic-continental 2) Oceanic-oceanic 3) Continental-continental