Answer:
Pink, blue, and purple! :)
They can make a sculpture or make a book
The answer is A because Giotto was one of the first renaissance artist is pop up after the Middle Ages
im not actually sure, but my best guess would be the grass, because it appears to be in focus more, and the sky and water seem to be background. if that grass wasent meant to be the emphasis that it didnt have to be in the picture (im a photographer, but dont take my word for it, im only pretty sure im right)