In Asia due to the presence of number of industries, large number of vehicles produce harmful gases and deteriorates the air quality at large extent. Deforestation and logging of trees are also one of the cause of lowest air quality.
Explanation:
Asia is a developing countries comprises of India, Sri lanka in its south, China, Japan, Korea in its east and south-east direction. There are all total 48 countries. All these countries population density is high. Among them China has world's highest population followed by India.
Over population and excess population density covers the land and deforested land for establishing settlement. Multi storied buildings are using air conditions, refrigerators which emits CFC in environment. Vehicles emit SO2, CO, CO2 etc. These are the facts which lower air quality in Asia.
Answer:
It was the Mongols who invaded Ming Empire and defeated Ming Army.
We get up at the right time because our senses can detect what time it is
Because of the increase in exports of primary products and imports of cotton textiles Southeast Asia exported rubber, sugar, coffee, and tea while it imported manufactured goods from Europe and USA where industrialization was in progress.
Answer:
B
Explanation:
There were no merchants on the road, and the towns along the route lost their usual bustle, which undoubtedly led to the decline of the silk road. By the time of the Song dynasty, another ethnic minority broke the silence of the silk road once again.