What are the four primary elements found in coal? 90% carbon, 3% oxygen, 4% hydrogen, and 1% sulfur. What forms of air pollution do these elements become as part of coal combustion? When coal is burned for fuel, it combines with oxygen in air to form several air pollutions. What substances are contained within coal ash?
It is an oil painting on canvas.   It is to show Picasso's anger at the bombing of the little Spanish town Guernica in 1937.  .
Guernica is a painting by famous Spanish artist Pablo Picasso. It was painted as a reaction to the aerial bombing of Guernica, Spain by German and Italian forces during the Spanish Civil War in 1937. The Spanish Republic, government of Spain, appointed Picasso to paint a large mural about the bombing to display at the 1937 Worldâs Fair in Paris. Guernica shows the cataclysms of war as well as the anguish and destruction it inflicts upon people, especially innocent civilians.