Answer:
Here
Explanation:
Greek theatres the seating was arranged in a semi-circle and curve down into the centre following the natural shape of the hillside. There are many modern theatres which are arranged in this way however many have the whole audience directly opposite the stage like in a cinema
I think a good addition to a collection of writing instruments that were unique to the twentieth century would be pens and pencils like we have now because back then they dipped feathers in ink and then wrote with them. They were very special because people wrote there feeling and grocery list and drew thing as art. And maybe more to add on would be paint brushes to make beautiful art like they did back then. I hope this helped u and that all your questions are answered.
A concerto grosso was a type of concerto common in the <em>baroque</em> era.