Answer:
Elemental sulfur is used in black gunpowder, matches, and fireworks; in the vulcanization of rubber; as a fungicide, insecticide, and fumigant; in the manufacture of phosphate fertilizers; and in the treatment of certain skin diseases. The principal use of sulfur, however, is in the preparation of its compounds.
The answer is C.
Since Bibliography is " a list of works (such as books and articles)" and c is the only one with anything listed.
The answer is B essential government delegate responsibilities to local governments to carry out
I think your answer would be the Letter A.
