What was responsible for increased flexibility in painting, and allowed artists to make changes more easily?

Leon and sara are arguing over when the best time is to degrease soup. leon says that it's easiest to degrease soup when it's boiling. sara says it's easiest to degrease soup when it's cold. who is correct? a. neither leon nor sara is correct. b. leon is correct. c. both leon and sara are correct. d. sara is correct. student b   incorrect which correct answer?

What is the value of an original etching by r h moore january 1886

Which sculpture was made using the flattened relief technique of carving an extremely shallow scene