Imperial Gupta Dynasty......in 4th century.......
zhou dynasty.
The Zhou Dynasty
Zhou
The Zhou Dynasty contributed the use of iron to the world and was said to have created the Mandate of Heaven.
they are people that make the crafts and pottery of the shang dynasty
because i don't know.
iron
CHANDRAGUPTA
7î7
nothing is the relationship between them.... they were son & father......... \
asoka
asoka
This is not pure iron but a special steel.
Effect of acid rain on Iron Pillar of Qutub Minar is- When acid rain falls on the Iron Pillar the colour of Iron Pillar changes from red to black. Other factors like pollution and dust are also responsible. The government should take some strict actions on this issue.
zhou dynasty.
The Zhou Dynasty
Ashoka pillar has a layer of crystalline iron hydrogen phosphate which protect it from rusting.