Is it true that the style deriving from the word impression, meaning "sketch' which was used to criticize the painterly works is called expressionism

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The caves at lascaux were closed in 1963 because a. vandals were destroying the paintings b. the collective breath of the many visitors caused the paintings to corrode c. the weather was destroying the paintings d. the government of france wanted scholars to be able to study the work without distraction

Which scientist listed below is not one of those to advance the study of mathematics? a. euclid b. herodotus c. pythagoras d.archimedes