Octopuses have three hearts and blue blood! Scientists have discovered a lot of ___ about octopuses., informations, information, an information, several information, ___ can solve puzzles! Scientists have observed several ___ solving problems and opening containers., octopus, octopuss, octopuses, octopus's, The Moon is slowly moving away from Earth! The ___ distance from Earth increases by about 3.8 centimetres each year., Moons, Moons', Moon's, Moon, The Eiffel Tower gets slightly taller in hot weather! The height ___ the Eiffel Tower increases by a few millimetres in summer., of, from, with, at, The first webcam watched a coffee ___! Researchers at Cambridge created a webcam to monitor a coffee ___ so they could check whether coffee was available., beans, pot, bean's, pots', ___ day on Venus is longer than a year! On Venus, ___ day lasts longer than a year., a, an, the, no article, About 71% of Earth's surface is covered by ___ water! ___ water covers most of our planet's surface., a, an, the, no article, ___ Sahara is the world's largest hot desert! ___ Sahara covers an enormous area of North Africa., a, the, no article, an, ___ can regrow lost arms! Some ___ can regenerate lost arms., starfishs, starfish, starfish's, a starfish, Everest is the highest mountain above sea level! ___ Mount Everest reaches 8,848 metres above sea level., The, A, An, No article

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