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.
I am accustomed to my own and during the rennasaince.
Decreases. The higher you go up, the less air will push on your body. Thats why astronaughts need space suits in space to keep their bodies pressure-ized.
The correct answer is REGION
The term is used in political geography to explains a particualr area with definable characteristics and not always limted to governments and boundaries. A region often has a similarity in terms of governance,climate,terrain and language.
Answer:
Color coding is a way to convey information quickly, which facilitates visual search. In this Washington D.C. metro map, as with most schematic subway maps, color coded lines represent the different rail lines. Visual searching occurs when we actively scan the environment to locate a specific feature among many distractors.
Explanation:
