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.  .
Research Picasso's Guernica from which the Weeping Woman motif is developed.The painting is regarded as one of the world's greatest anti-war masterpieces. Discuss the style, subject matter, art elements, scale and materials he has used to convey his sense of the outrage and senselessness of war.