How do jet streams form??
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ANSWER: The ultimate cause of jet streams is the energy imbalance that exists between high and low latitudes. In more detail, the polar front is a boundary separating cold polar air to the north from warm subtropical air to the south, and the greatest contrast in air temperature occurs along the frontal zone. This rapid change in temperature produces a rapid change in pressure. The sudden change in pressure along the front sets up a steep pressure (contour) gradient that intensifies the wind speed and causes the jet stream.?
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Compare and contrast the developing world and the developed world with regards to the percentage of people living in urban areas
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Judge the following sentence according to the criteria given below: Oil does not dissolve in water BECAUSE water molecules interact with other water molecules and other polar molecules
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.
Tides of large amplitude occurring every two weeks at the new and full moon are called ________ tides.
A. semidiurnal B. neap C. spring D. equatorial E. declinational
The Grameen Bank originated in which country?
A) Nepal B) Sri Lanka C) Bangladesh D) Pakistan E) India