A Reservation Against Cancellation (RAC) is a type of ticket that can be sold for travel on the Indian Railways. Although it ensures certainty of travel, it does not guarantee a berth. A berth will be allocated to the person who reserves an RAC ticket if passengers who already have a confirmed ticket do not turn up before the train departure or get their confirmed ticket cancelled. A berth is split into 2 seats for 2 RAC ticket holders. If there's any last minute cancellations, or if any quota allocations remain unsold, or if any confirmed ticket holders are given a free upgrade (more later), an RAC ticket holder is given the empty berth, the other RAC ticket holder can then convert the 2 seats into a berth.
can you board a train with rac ticket?
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Answer: yes

Although showing fermentation to be the result of the action of living microorganisms was a breakthrough, it did not explain the basic nature of the fermentation process, or prove that it is caused by the microorganisms that appear to be always present. Many scientists, including Pasteur, had unsuccessfully attempted to extract the fermentation enzyme from yeast. Success came in 1897 when the German chemist Eduard Buechner ground up yeast, extracted a juice from them, then found to his amazement that this ''dead'' liquid would ferment a sugar solution, forming carbon dioxide and alcohol much like living yeasts. Buechner's results are considered to mark the birth of biochemistry. The ''unorganized ferments'' behaved just like the organized ones. From that time on, the term enzyme came to be applied to all ferments. It was then understood that fermentation is caused by enzymes that are produced by microorganisms. In 1907, Buechner won the Nobel Prize in chemistry for his work.
the fermentation of sugar to alcohol can take place only if living yeast cells are present?
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Answer: no

The series was commercially successful and was acclaimed by audiences and critics who praised its art direction, humor, cultural references, characters, and themes. It was nominated for--and won--Annie Awards, Genesis Awards, a Primetime Emmy Award, and a Peabody Award. The first season's success prompted Nickelodeon to order a second and third season and the series inspired a critically panned but financially successful live-action film, The Last Airbender, considered one of the worst movies ever made, which was directed by M. Night Shyamalan. Merchandising for the series consisted of action figures, a trading card game, three video games, stuffed animals distributed by Paramount Parks, and two Lego sets. An art book was published in June 2010. A sequel series titled The Legend of Korra aired from 2012 to 2014. The complete series was released on Blu-ray on June 5, 2018 for the 10th anniversary of season 3's finale.
is avatar the last airbender a disney movie?
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Answer:
no