The phrase floating rib (Latin: costae fluctuantes) refers to the two lowermost, the eleventh and twelfth rib pairs; so-called because they are attached only to the vertebrae–and not to the sternum or cartilage of the sternum.
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It cures all cases of cystic fibrosis.
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Answer: Over the last 50 years, while energy consumption grew substantially, the world undertook a transition in its usage of fossil fuels, from solids (coal) to liquids (oil) to gases (natural gas). Meanwhile, the share of oil declined as well, from 40% of energy consumption in 1965 to 33% in 2016.
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