Answer:
Due to lack of technology.
Explanation:
It took several centuries before the civilizations of the two hemispheres had communication because of lack of technologies that can make a bridge of communication between two hemisphere. People are not interested in research and having old wrong beliefs that prevent them from growth and development but due to renaissance movement people get rid of false and wrong beliefs and work for the advancement of technology which leads to communication between two hemisphere.
The ancient Greeks actually lived in houses made of dried mud bricks. Unfortunately, their walls are not very strong. It was common for houses to be broken into pieces, and most had to be renovated. The roofs of the houses are covered with mud panels and the windows are small and covered with wooden shutters.
Answer:
1.Improper 2.proper 3.proper
Explanation:
1. The investigator is putting his personal feelings into the investigation
2.The investigator is being thought full and minding the persons feeling while still doing his job.
3. The investigator is just asking a question