What is quillwork? a. soaking porcupine and bird quills with natural dyes and working them into surface patterns on other objects b. using a quill pen made from birds to paint ink symbols on bodies c. a type of sewing of the women of the Sioux tribe d. using a quill pen made from the feather of an eagle to draw tribal symbols on the walls of a teepee

soaking porcupine and bird quills with natural dyes and working them into surface patterns on other objects

Explanation:

the vocab terms

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

equal area projections

equal-area projection. a projection in which regions on the earth's surface that are of equal area are represented as equal.