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True or false ATP molecules contain two phosphate groups? Find the real solutions of the equations 12x^4-x^2-1=0.I ended up with the square root of 1/3 but the answer was +- square root of 3 over 3.? Balance redox equation. Cr2O7^(2-) + C2H5OH-> Cr^(3+) + CO2+H20? What happened if the gradient of the aqueduct was not right? What was the use of crocodiles and fish in the Nile River?