Shang Cities
During the Shang Dynasty, there were several large settlements, including Zhengzhou and Anyang, though these are not believed to be as densely urban as Mesopotamian settlements during the same time. Anyang became the capitol around 1300 B.C. under King Pan Geng and at the time was called Yin.
Answer:
Child labour started when population increased. as a result the wants/demands of people are also increasing.so to accomplish the rising wants child labour is rising too.
Explanation:
The first answer would be when charged particles from the sun hit the Earths atmosphere and turn into electrons.
Then your next answer is the convection of the heat is similar to the suns.
I hope this helps you out.
The melting of the polar ice cap