How did van der weyden's paintings differ from those of other artists of his time

The energy applied to cause vibration can be in the form of air pressure a stick, bow, or electricity. true or fasle

How do i mark a person as brainliest?

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.