The organic material in coal is composed mainly of carbon, oxygen, hydrogen, nitrogen, and sulfur. The heat of metamorphism destroys the organic molecules of coal, volatilizing the oxygen, hydrogen, nitrogen, and sulfur. What remains is a nearly pure carbon material that crystallizes into mineral graphite.
Egg White Nutrition Basics. According to the Egg Nutrition Center (ENC), the average egg contains about 6.29 grams of protein, 3.6 of which come from the egg white. In addition to proteins, other nutrients found in the egg white are riboflavin, niacin, folate, vitamin B12, calcium, iron, copper, zinc and sodium.
Interesting facts about Eggs: 1  Most people thinks of eggs as a dairy product, but they are actually classified as âanimal productsâ as they are a protein. 2  Eggs are a great source of protein. 3  The average hen lays about 250 to 270 eggs every year. 4  If you need a substitute for eggs check our page for ideas.