Answer:
Muslim merchants migrated east to the land of Tang, Changan and other Chinese cities, Some merchants returned to their lands but others remained in those lands with the Tang emperor's permission and also allowed them to marry Chinese women. In Islam, Muslim children were also Muslims and the religion in the East rose.
They have to enter the cell of another organism.
Answer:
about 2,000 miles [3,200 km]?
Explanation: