The disaster at Chernobyl was a nuclear accident in Ukraine in 1986.
A psychologist is an expert or specialist in psychology. Psychology is the study of the human mind and its functions.
Answer: I don’t know what blank you are trying to say, but the Mongolian empire used Mongolian Horses, which are bigger and have a more work pull for pulling tents and other things. They used these because they were ver nomadic people, moving every few days even. Camels were most likely used in the invasions of Northern Africa in the 1200’s, and most likely take back to Asia.
Explanation:
Well, the problem is there wasn't just one ruler. there were many pharaohs that ruled ancient egypt throughout history. if you're talking about during a certain time period, maybe add that?