Important element in chiaroscuro painting

What are 3 different parts of the sonata form

Need asap ! 1. someone at a party has just told a joke, and the photo shows a guest laughing uproariously with his head back, eyes closed, and mouth open. 2. photo of collection of vintage corvette convertibles at an automobile show. stock photography 3. photo of a mosquito filling the entire frame of the photo. 4. photo of the quilt-like appearance of grain fields taken during a ride in a hot-air balloon. 5. photo of the pollution of discarded cans, bottles, and other waste on a beach. 6. photo of the eiffel tower in paris, france. environmental photography aerial photography macro photography documentary photography stock photography candid photography

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.