What technique did romanesque sculptors use to carve portal sculpture on cathedrals?

Which of the following is the best description of lesion

Look at the two pictures below. name each piece of art and the style of japanese art each represents.

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.