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.
Answer: D.) to maintain records etc...
Explanation: Edge2020
Answer:
A landform is a feature on the Earth's surface that is part of the terrain. Mountains, Hills, Plateaus and Plains are four major types of landforms. Minor landforms include buttes, canyons, valleys and basins. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills.
Explanation:
I majored in Geography
The correct answer is letter B. V-shaped Valley. It is the evidence that an area was once covered by a glacier. Glaciers form in an area where the temperature is so very low and stayed there for a longer time. Glaciers that reached the oceans form icebergs.
Answer
Area B will have more iron deposits than area A.
Explanation
Iron ore deposits are located in sedimentary rocks. They are formed from chemical reactions that combined iron and oxygen in marine and fresh waters. Hematite (Fe2O3) and magnetite (Fe3O4) are the two important minerals in iron oxides deposits. Iron ore are formed through chemical reactions that utilize iron and oxygen, where the gas combine with iron in dissolved form to produce Hematite and Magnetite which are deposited in the sea floor as banded iron formations. During a volcanic eruption more iron ore deposits are located near its foot