Coral limestone are examples of rocks whose formation is not explained by the rock cycle. Corals are tiny marine organisms that absorb carbon dioxide dissolved in sea water and use this to secrete hard skeletons of calcium carbonate. These organisms can build massive reef structures over the course of thousands of years.
The Eurovision Song Contest is one of several Europe-wide competitions. The Eurovision contest lasts one week. Each nation submits a song that is played on live television. Almost 600,000 people watch the show and vote for the winner; voters cannot vote for the song from their own nation. The contest is an example of the growth of shared popular culture in Europe.
Answer:
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