The mannerist approach to art reflected

I'm working on an assignment that has to do with digital art and this is my masterpiece that i've worked on. i was wondering if anyone knew any websites that i could possibly sell my digital artwork? i'd be very appreciated and will gladly mark the right website that does sell digital art as well brainliest! you!

The byzantine style introduced what what into the history of art ?

3christians adapted the roman basilica and used it for public worship. where in their churches did they place the altar?