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Physics, 24.12.2019 10:31, gracerhodes5364
An experiment is performed to test the effect of three different types of water on the growth of a plant. the test is done by using tap water, distilled water, and carbonated water. choose the statement below that describes the tap water in this experiment.
a. the tap water is a controlled variable for all plants.
b. the tap water is the control group for comparison.
c. tap water is the only test condition that will cause measurable changes in the dependent variable, plant growth.
d. tap water is one of the three test conditions of the independent variable, the type of water.
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Answers: 3
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Physics, 22.06.2019 19:50, naidaisha18
Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε0 = 8.85 × 10-12 c2/n · m2)
Answers: 1
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An experiment is performed to test the effect of three different types of water on the growth of a p...
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