CO32"(aq) + H30+ (aq) -- H2O(l) + HCO3 (aq)
In the equation above, two substances that act as acids by donating a proton are

x=30

step-by-step explanation:

5050

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no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction

a) 0,0; 1,1; and 2,2

step-by-step explanation:

these have the exact same coordinates, thus they are the correct function.