Answers
Answer:
Diamond Graphite
In diamond, strong three-dimensional networks are formed due to the presence of covalent bonds. Graphites are formed due to the weak van der Waals force of attraction.
Hard in nature Soft in nature.
Since molecules are closely packed they have high density. Because of the large gap between the molecules, they have low density.
Since there is no free carbon atom, the diamond does not conduct electricity. Because of the presence of free carbon atom in graphite they can conduct electricity.
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Answer:
The Silk Road derives its name from the lucrative trade in silk carried out along its length, beginning in the Han dynasty in China (207 BCE–220 CE). The Han dynasty expanded the Central Asian section of the trade routes around 114 BCE through the missions and explorations of the Chinese imperial envoy Zhang Qian, as well as several military conquests.[4] The Chinese took great interest in the security of their trade products, and extended the Great Wall of China to ensure the protection of the trade route.[5]
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