How did Alexander Calder use the elements of art and principles of design in his sculptures? Choose all that are correct
AThey have a variety of shapes
BThey have symmetrical balance
CThey have contrasting shapes and colors
DThey have repeated shapes and colors that create unity
AThey have a variety of shapes
BThey have symmetrical balance
CThey have contrasting shapes and colors
DThey have repeated shapes and colors that create unity