Final answer:
Gunpowder, also known as black gunpowder, was the explosive mix provided by Roger Bacon in the 13th century. It consists of saltpetre, sulphur, and charcoal. Gunpowder was the first explosive to be discovered and used.
Step-by-step explanation:
Roger Bacon provided instructions for making the explosive mix known as "black gunpowder" in the 13th century. Gunpowder is composed of saltpetre, sulphur, and charcoal. Bacon's formula consisted of seven parts of saltpetre, five parts of young hazel wood (charcoal), and five parts of sulphur. Gunpowder was the first explosive to be discovered and put to use.