What geographic feature the ostrogoths to hold italy

What greek scientist created a screw to move water for irrigation?

Which nims management characteristic involves using standardized names and definitions for major organizational functions and units?

The chinese government has tried to control its people in all of the following ways except: question 1 options: create and spread propaganda in the media censorship of the media allowing people to create their own social media deleting people's social media posts without their permission