How did scientists reach their conclusions during the middle ages

They relied on observation and logic

Explanation:

The scientific method evolved throughout the year, but scientists have been onto it since always. Logic was always a great way to make science and observation has always been part of science. The two combined would already help to achieve good results.

answer: because they get bored or smth idk

what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem