Which statement about mound builder works is true? a. bowls shaped like animals were made of stone. b. portraits were made of solid gold and painted with bright colors. b. earthen mounds were created for children to play on.

I believe it would be the last answer choice. "Earthen mounds were created for children to play on"

the above mentioned statements talks about the creativity of an artist and to what extend they can utilize and experiment on the objects provided.   differing size and subjects are given so that an image of wisdom is created. displaying a transition from light to dark in something by darkening sections in order to create a shadow. and lastly, putting bits and pieces together to formulate a new image.