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.  .
In 1937 Pablo Picasso painted Guernica, a mural that was the centerpiece for the Spanish Pavilion of the World's Fair in Paris. The official theme of the Paris Exposition was the celebration of modern technology.n 1937 Pablo Picasso painted Guernica, a mural that was the centerpiece for the Spanish Pavilion of the World's Fair in Paris. The official theme of the Paris Exposition was the celebration of modern technology.