Yellow snot is a sign of a cold, as it shows white blood cells are rushing to the site of the infection. Green mucus shows the immune system is fighting back as it turns that colour due to dead white blood cells.If mucus is pink or red it means the nasal tissue has become broken and is bleeding. Most people produce about 1.7 litres of mucus a day-enough to fill a kettle. 2  As it is made from water, proteins, antibodies and salts, it should be clear. 3  White snot is a sign of congestion, while yellow snot is signals a cold. 4  Green shows the immune system is working while red snot contains blood.
Smithâs The Wealth of Nations was the first great treatise on economics and founded the discipline. Smithâs goal was to promote economic growth in order to generate a high-wage economy that would redound to the benefit of the majority.
Adam smith is a Scotland economist. He born in 1723A.D and died into 1790A.D. He published a book named âAn inquiry into the nature and causes of the wealth of nationâ in 1776A.D. Later he published another book âWealth of the nationâ which became popular among people. After publication of this book economics got itâs independence identify. Thatâs why Adam smith is known as Father of economics. He has defined economics as the science of the wealth in his book .According to him,â Prosperity of the individuals constitute the prosperity of the nation.