What qualities made silk
an ideal item to trade
across land-based
Eurasian routes?

Silk is hard to produce and rich in price.

Explanation:

Silk is a particular item as it cannot be produced everywhere. Silk comes from the silkworm and is a rich material known for its sooth, yet warm feeling. These worms are very particular about where they can be inhabited and in many cases will die if not in the right enviornment. Additionally, silk is seasonal. Just like butterflies, birds, and flowers, during the times of cold, silkworms do not produce silk. Therefore the substance is quite hard to obtain, but rich in price.

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