Answer:
The impact that the Silk Road had on Marco Polo’s expeditions to the Mongolian Empire was that Marco Polo used the Silk Road to reach the Mongolian Empire to trade for silk and spices.
Through the Silk Road, nations and empires connected to each other through trade. During the 13th century, the Mongolian Empire was the most powerful of the region and spread through China, Central Asia, Persia, and parts of Eastern Europe. The powerful Emperor Kublai Khan always accepted Marco Polo and gave him diplomatic assignments. His relationship, that started with his father, lasted almost 17 years.
Explanation:
Answer:
good conductors of electricity
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Answer: B cells
Explanation:
lymphocytes produce antibodies - proteins (gamma globulins) that recognize foreign substances (antigen) and attach themselves to them. B lymphocytes (or B cells) are each programmed to make one specific antibody. When a B cell comes across its triggering antigen it gives rise to many large cells known as plasma cells. Each plasma cell is essentially a factory for producing antibody
Dalton's atomic theory said, apart from other things, said that an atom was the smallest things and that all matter was composed of atoms.
But J. J. Thomson discovered the electrons, particles smaller than atoms, and after that, changes to Dalton's theory were made.
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