Answer:
They established of a postal system
The spread of weapons that used gunpowder
The extension of the grand canal in China
The invention of new medicines
Explanation:
The Pax Mongolica refers to the stabilizing impacts of the conquests of the Mongol Empire on the social, cultural and economic life of the citizens of the vast Eurasian territory that the Mongols conquered in the 13th and 14th centuries.
The composition
I think this is the answer
Hello there!
Your answer would be lung cancer, chronic bronchitis, emphysema and asthma.
Years of smoking and exposure to air pollutants can contribute to the incidence of lung cancer, chronic bronchitis, emphysema and asthma.
Lung cancer is one of the factors that is caused by smoking and air pollutants. This happens when too much lung cells are being produced in the lungs at once, which causes cancer cells to grow, this would form a tumor in the lung. There are many treatments that could be taken to remove this tumor. This is one of the things that are caused by smoking and air pollutants.
Chronic Bronchitis is another factor that is caused by smoking and air pollutants. This also involves the lungs. Chronic Bronchitis is a disease in the lungs that caused inflammation in them, which is very dangerous to the human body. Growth of mucus, coughing, and etc are symptoms of this. This is another factor that is caused by smoking and air pollutants.
Emphysema is another factor that is caused by smoking and air pollutants. This is a disease that causes the alveoli (a balloon shaped pass way in the raspatory system) to over swell. This mostly causes a shortness of breath to a person. This is another factor that is caused by smoking and air pollutants.
Asthma is another factor that is caused by smoking and air pollutants. This condition is very common to people who have smoked, been around smoke, or has been around places whose air is very polluted. This conditions causes the airways to clog up, which makes it hard to breathe. This is another factor that is caused by smoking and air pollutants.
It would decrease, because the producers are the source of food for the herbivores
