Uhm, what observations, what artists, what sense of space, and what compositions? You didn’t complete your question.
Answer:
A backdrop is important because they create a specific visual scene behind the subject of the photo. Props are important because they add character and interest to a photo. You can make a backdrop out of many things. Two materials are: seamless paper, vinyl.
The answer is A, B, and D. I took this lesson assessment in Art, too. Thomas Moran painted a landscape of the Yellowstone, which later changed the governments mind and they decided to preserve it. <span>He used many values and variations of colors to make his landscapes look more realistic. And he did travel with photographers when he painted landscapes, I only know two: William Henry Jackson and John K. Hillers.</span>
The answer is B) ode to joy