Physics, 20.08.2019 01:10, hudsonlilliana
Students wanted to know how much the slope(or tilt) of land affects erosoin. so they set up four identical pans and filled each pan halfway with the same kind of soil. they raised one end of each pan yo a different height. then they poured 300 ml of water into the top-center part of each pan and observed the erosion in each pan after the water had flowed through the soil for one minute. independent variable: dependent variable: controlled variable:
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Students wanted to know how much the slope(or tilt) of land affects erosoin. so they set up four ide...
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