Rots your teeth
bad breathe,
unhealthy lungs/gums
The feed-forward control is the type of control that is future-oriented and aims to prevent problems from arising. In addition, is commonly used before a factory operation wherein the manager already limits the operation and carries out specific procedures and policies.
Because the weather was too cold in the northern areas so the soil wasn't as healthy.
Answer:
Each new dynasty meant new improvements and modernization. Take, for example, the most famous ones of all. The great wall of China was built between dozens of dynasties, one of China's greatest achievements. Another one is the silk road. It brought the country flourishing trade and wealth. Each dynasty means something new and beneficial in many ways. These were religious, political, civil, and sometimes military improvements. The wisdom from these ideas came from only just a small handful of dynasties. They play an important role because it shows their origins, successes, failures and ideas. It also shows how China was built up to how it is now.
