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.  .
What would be the best way today to protest against a war? How could you influence the largest number of people? In 1937, Picasso expressed his outrage against war with Guernica, his enormous mural-sized painting displayed to millions of visitors at the Paris Worldâs Fair.It has since become the twentieth centuryâs most powerful indictment against war, a painting that still feels intensely relevant today.Pablo Picasso, Guernica, 1937, oil on canvas, 349 cm Ã 776 cm.t has since become the twentieth centuryâs most powerful indictment against war, a painting that still feels intensely relevant today. Pablo Picasso, Guernica, 1937, oil on canvas, 349 cm Ã 776 cm.