6. which of the following about gunpowder is incorrect? a. the ancient chinese called gunpowder "sinan." | b. though the chinese invented gunpowder, they didn't use it as extensively in military as the europeans. c. gunpowder is a mixture of three ingredients -- saltpeter, charcoal, and sulfur. d. gunpowder was introduced to the arab world during the 13th century. a. the antithe chinese invente che ingredients ja during the

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jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d

answer; quantitative versus qualitative research;