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.  .
The Painting â Summary Of Individual Components. The colors of Guernica are black, white, and grey. It is an oil painting on canvas, measuring 11 feet tall by 25.6 feet wide, and is on display at the Museo Reina SofÃ­a (Spainâs national museum) in Madrid.