Did you get the answers? If so can you private message them to me?
The first one is the answer “ use of machines that function on their own “
Answer:
It won't last one minute but here you go
What is Expo 2020 Dubai? In the year 2020, Dubai will host the grandest Expo to date. The theme for Expo 2020 Dubai is 'Connecting Minds, Creating the Future'. The country will host hundreds of countries and companies that will explore possibilities in spheres of Opportunity, Mobility, and Sustainability