This is true, and it refers to the empress Leizu who lived around the time, and who is believed to have discovered silk. However, the earliest sources speak of 3500 BC- so a lot earlier, but yes, they could produce silk by 2700 BC
When a plant has been without water for a long time, the central vacuoles lose water, the cells lose shape, and the whole leaf wilts. Plants often store sugars, ions, some proteins and occasionally pigments inside the vacuole.
He established decentralized private baking systems under federal control
Answer:
Allowing goods to reach distant markets, a single trade route contains long-distance arteries, which may further be connected to smaller networks of commercial and noncommercial transportation routes. Among notable trade routes was the Amber Road, which served as a dependable network for long-distance trade.
Explanation:
Answer:
Many items were traded between North Africa and West Africa, but the two goods that were most in demand were gold and salt. The North Africans wanted gold, which came from the forest region south of Ghana. The people in the forests wanted salt, which came from the Sahara.