Describe the architecture of the image above show? (Be sure to clearly define the type of construction used) Why was this type of architecture common amongst Medieval castles?

What should i say so i can switch my instrument

Why do artist use texture? (site 1) !

Pls! choice of medium allows the artist to a.convey different messages.b.experiment with combining materials to create new media.c.reconnect with old forms of art.d.improve realism in art, particularly with portraits.