Answer: D
A catalyst is a substance that alters the reaction and doesn't involve in the reaction.So if the Manganese was a catalyst the mass would not have decreased,it would just continue aletring the reaction until its used up.
The Manganese is not acting as a catalyst
The last Chinese dynasty was the Qing, and it ruled until 1912 (Answer A is the correct one), with a very short restoration lasting only a few days in 1917 (but since this is not an option, 1912 is definitely the correct one).
<span>my msth finals are tomorrow! please help ASAP. it is applying properties of ... functions a) y=2f(x) b) y=f(2x) c) y=f(0.5x)" I am so lost, I don't get what it . ... What are the factors of:60,63,56,85,106,40,please i need these answers NOW! .... I need help with an assignment that is due today and I am totally lost. ... social studies</span><span>
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a governmental system led by a dictator having complete power, forcibly suppressing opposition and criticism, regimenting all industry, commerce, etc., and emphasizing an aggressive nationalism and often racism.
African Americans in the Civil War faced many problems. They were usually treated differently and had restricted roles. This doesn't mean that they didn't fight just as bravely as the other solders. Many of them died nobly for their cause.
