Got this from google, scientists count a species population by first knowing the population in a certain area or small geographical sample location then multiply the result by the total area.
The main reason for the wall's construction had always been defense. Since China's first dynasty, the empire faced a near-constant threat of attack from the nomadic tribes to the north. This included those famed Mongols as well as lesser-known groups like the Xiongnu and the Göktürks.
Advantages of Free Trade:
The advocates of free trade put forward the following advantages of free trade:
(a) International Specialization:
Free trade causes international specialisation as it enables the different countries to produce those goods in which they have comparative advantage. International trade enables countries to obtain the advantages of specialisation. First, a great variety of products may be obtained.
Answer:
True
Explanation:
Price stability is achieved when inflation, the general increase in the price level of goods and services over a period of time, reaches a relatively low level, usually from 1 - 3%.
For this reason, an inflation level (average price level increase) of around 2% would be considered as price stability by any contemporary central bank.
Answer:
B. obese
Explanation:
Since highly developed nations are able to afford more food than low developed nations, there will be many people who become obese due to overconsumption of food and this can lead to many health problems like high blood pressure, diabetes, and stroke which can cause deaths and lower the population in highly developed nations.