Convert all sentences from passive to active
some of them might already might be active just ignore them
rewrite the entire paragraph
for years a so-called monster has been spotted by visitors to loch ness in scotland. the large creature has been reported by many witnesses. do lake monsters really exist? these reports have been questioned by scientists. according to same canadian scientists, the sightings may be explained by temperature inversions. a temperature inversion occurs when the temperature of a body of water is much lower than the temperature of the air aboce it. experiments were conducted by scientist on lake winnipeg, canada, during a temperature invasion. two photos of an ordinary stick floating on the lake were taken only three minutes apart. the bending, or refraction, of light caused by the inversion made the stick appear to be a strangely shaped "monster." these photos have been accepted by some scientists as proof that the lake monsters are really ordinary objects that appear distorted because of temperature inversion
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