How did modern scientists experiment with Van Goghs paints to determine their chemical reactions?

What can be the use of smoke transformed into liquid?

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

‘which reaction would most likely require the use of an inert electrode?