Students were designing an experiment to test the effectiveness of a liquid filter paper. They poured one liter of dirty water through different brands of filter paper and measured the volume of the water that went through. Their conclusion was based on the amount
of water that passed through the filter compared to the original one liter of dirty mixture.
Identify the BEST alternate method for testing the efficiency of the filter paper.

Which of the following statements about the economic consequences of the civil war is not accurate. a. inflation caused prices to rise by 80% in the north. b. because southern farms cannot process enough food for everyone in the south the union navy allowed food shipments from britain. c. to pay for all of the food supplies and arrangements that were necessary for the union army congress instituted an income tax. d. business boomed in the north as factories and farms always had a market for their products.