Which statements about ancestral pueblo petroglyphs are true?

choose all answers that are correct.

a.
they are made by painting or printing on rock.

b.
they are made by scratching or pecking into rock.

c.
they often show what people believe to be spirit figures.

d.
they often show animals like horses and deer.

c d   hope this helps                  

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.