Answer:
Gan De was an astrologer and astronomer. He observed Jupiter and its four moons long before Galileo saw it through his telescope.
Zhang He ng lived during the Han dynasty and was an expert in subjects like astronomy, mathematics, hydraulics, and science.
Zu Chon gzhi was known for his precision in calculations, his understanding of mathematics, and astronomy.
Gong sun Long was a logician who wrote many paradoxical essays.
Mo zi was a Chinese philosopher, and his teachings focused on self-reflection and self-understanding.
Explanation:
The Europeans wanted to avoid interaction with Muslims and the Muslim monopoly on Indian ocean trade.
The answer to this problem is true. The nation makes most of their money through the export of oil.
