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Temperature differences can cause air currents because warmer air is less dense than cooler air, causing the warmer air to appear "lighter." Thus, if the warm air is under the cool air, air currents will form as they exchange places. Air currents are caused because of the uneven heating of Earth's surface. [5] [6]
Another suggested remedy is to try to find a "cure song" to stop the repeating music. [31] [32] There are also so-called "cure songs" or "cure tunes" to get the earworm out of one's head. "God Save the King" is cited as a very popular and helpful choice of cure song. [33] "Happy Birthday" was also a popular choice in cure songs. [31]
A fourth series, titled "Science Rock," followed in 1978 and 1979, and included a broad range of science-related topics. The first video of this season, "A Victim of Gravity," parodied elements of the hit film Grease and featured a rare guest appearance from a pop band, with recently reunited doo-wop group the Tokens providing the vocals.
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The rising air creates a low pressure zone near the equator. As the air moves poleward, it cools, becomes denser, and descends at about the 30th parallel, creating a high-pressure area. The descended air then travels toward the equator along the surface, replacing the air that rose from the equatorial zone, closing the loop of the Hadley cell. [3]
Many classical compositions belong to a numbered series of works of a similar type by the same composer. For example, Beethoven wrote 9 symphonies, 10 violin sonatas, 32 piano sonatas, 5 piano concertos, 16 string quartets, 7 piano trios and other works, all of which are numbered sequentially within their genres and generally referred to by their sequence numbers, keys and opus numbers.
Francis Ronalds began observing the potential gradient and air-earth currents around 1810, including making continuous automated recordings. [7] He resumed his research in the 1840s as the inaugural Honorary Director of the Kew Observatory , where the first extended and comprehensive dataset of electrical and associated meteorological ...
Nonetheless, since the conductivity of air is limited, the associated currents are also limited. A typical value is 1800 A over the entire planet. When it is not rainy or stormy, the amount of electricity within the atmosphere [clarification needed] is typically between 1000 and 1800 amps. In fair weather, there are about 3.5 microamps per ...