Question

which of these is not a way sedimentary rock is made?
a from fragments of other rocks
b organic materials
c chemical precipitates
d cooled magma

Explanation:

Sedimentary rocks form from fragments (clastic), organic materials (biogenic), or chemical precipitates (chemical). Cooled magma forms igneous rocks, not sedimentary. So option d is not a way sedimentary rock is made.

Answer:

d. Cooled magma