The amendment incorporated the bill of rights into law at the state level.
a.
sixteenth
b.
fourteenth
c.
tenth
d.
ninth

I believe the correct answer from the choices listed above is option B. The fourteenth Amendment incorporated the Bill of Rights into law at the state level.  The amendment addresses citizenship rights and equal protection of the laws, and was proposed in response to issues related to former slaves following the American Civil War.

Clean air provides nitrogen