This article: Two kinds of wet prairies thrive in the Everglades: marl and water-marsh community. Wet prairies are slightly elevated like sawgrass marshes, but contain abundant plant diversity. Marl prairies are located where marl covers limestone that may protrude as pinnacles or erode into solution holes: depressions formed by the same processes that create sinkholes. Solution holes, however, do not meet the water table; they are filled with rain water. The surface is covered only three to seven months of the year, but the water is usually just 4 inches (10 cm) deep. Marl is created by layers of periphyton loosely attached to the limestone, and forms a grey or white crumbly mud when it dries. When flooded, the marl can support a variety of water plants, and dwarf cypresses may grow for hundreds of years though not exceed 10 feet (3.0 m) in height. Solution holes may remain flooded even when the prairies are dry, and they support aquatic invertebrates such as crayfish and snails, as well as larval amphibians which feed young wading birds. Where the predominant soil is peat, a water-marsh community exists. Its hydroperiod is longer than the marl prairie, although its plants are less diverse. These regions tend to be on the border between sloughs and sawgrass marshes. Alligators have created an ecological niche in wet prairies; they dig at low spots with their claws and snouts and create ponds free of vegetation that remain submerged throughout the dry season. Alligator holes are integral to the survival of aquatic invertebrates, turtles, fish, small mammals, and birds during extended drought periods. Alligators feed upon animals that visit the hole. contains an answer for the question: What prairies' surface is covered only three to seven months of the year?, what is it ?
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Answer: Marl prairies

This article: In 1823, brash naval officer David Farragut boards the Essex and informs its commander, David Porter, that the Navy is commandeering the ship for a top-secret mission. Although the crew is overdue for shore leave, Porter, a cold, efficient leader, lies to them in order to coerce them to volunteer for the dangerous assignment. Farragut soon reunites with his old shipmate, Chief Petty Officer Link, who tries to convince him that Porter, who years earlier trained Farragut harshly in an attempt to teach him patience and discipline, is not as heartless as he appears. This starts to show itself when Porter later reconciles with Farragut about their past and agree to be civil with one another. Once the ship is at sea, Porter and Farragut open their orders and are dismayed to discover their mission: to disguise themselves as pirates, with no ties to or protection from the United States, in order to track down pirates raiding the West Indies. One night soon after, Farragut is in charge of the ship when a storm hits. Link becomes trapped beneath a keg of rum from which he has tried to sneak a drink and Farragut is forced to break the ship's rudder to rescue him. Porter discovers the damage, but even when he threatens to court-martial Farragut, the officer refuses to inform on Link. Within days, the supplies begin to run out, one of the crew contracts scurvy, and Porter steers the rudderless Essex to the West Indies for repairs and supplies. Farragut grows frustrated with the slow drift and, although Porter forbids anyone to enter the shark-infested waters, he tries to repair the rudder himself. When a shark attacks and Farragut's rope catches on a barnacle, he is barely rescued in time, and Porter chastises him again. Six days later, the men finally reach land and Porter orders Farragut and Link to gather supplies. contains an answer for the question: What's the last name of the man the brash naval officer was trained by?, what is it ?
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Answer: Porter

This article: "Smells Like Teen Spirit" was first performed live on April 17, 1991 at the OK Hotel in Seattle, Washington. The performance is featured on the DVD of the 2004 box set With the Lights Out, while shorter clips are included on the Nevermind Classic Albums DVD, as well as the documentary film Hype! As the song's lyrics had not yet been entirely written, there are notable differences between it and the final version. For example, the first performance started with "Come out and play, make up the rules" instead of the eventual opening of "Load up on guns, bring your friends". A recording of the earlier version appears on With the Lights Out and again on Sliver: The Best of the Box. A similar early live performance of the song is found in the documentary 1991: The Year Punk Broke, filmed during a 1991 summer tour in Europe with Sonic Youth. Nirvana often altered the song's lyrics and tempo for live performances. Some live performances of the song had the line "our little group has always been" changed to "our little tribe has always been", which can be heard on the 1996 live album From the Muddy Banks of the Wishkah. Rolling Stone remarked that the Wishkah version of "Teen Spirit" "[found] Cobain's guitar reeling outside the song's melodic boundaries and sparking new life in that nearly played-out hit". A notable alternate performance of "Smells Like Teen Spirit" occurred on BBC's Top of the Pops in 1991, during which the band refused to mime to the pre-recorded backing track and Cobain sang in a deliberately low voice and altered numerous lyrics in the song (for example, "Load up on guns, bring your friends" became "Load up on drugs, kill your friends"). Cobain later said he was trying to sound like former Smiths frontman Morrissey. When Top of the Pops was cancelled in 2006, The Observer listed Nirvana's performance of "Smells Like Teen Spirit" as the third greatest in the show's history. This performance can be found on the 1994 home video Live! Tonight! Sold Out!!. contains an answer for the question: What nearly played-out hit did Cobain spark new life into?, what is it ?
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Answer:
Smells Like Teen Spirit