Physics, 24.06.2019 11:20 mayapril813
Ducjuliu42 uvuleearth space science /19. britten baker 4932 siquestion 3(multiple choice worth 2 points)[bws.02]two students completed an experiment to determine if pesticide use at local farms was causing fish kills in a local pond. thesteps of the experiment are listed below.1. select different locations to collect water samples in the pond.2. collect a 5-ml water sample at 8 am at a different location each day for 10 days.3. measure the amount of pesticide present in each sample using the same measurement tools. after analyzing their data, the students conclude that pesticide runoff from farms is not causing the fish to die in the pond. whichof these statements best describes why their conclusion is not valid? the amount of water collected each day was the independent variable. the daily location for sample collection was not a controlled variable. pesticide measurements were the dependent variable. the time of sample collection was not a controlled variable. nexomquestion 1 (answered)previous question
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Physics, 21.06.2019 22:30
Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?
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Physics, 22.06.2019 04:50
Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?
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Physics, 22.06.2019 08:30
How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
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Physics, 22.06.2019 19:50
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? (Ξ΅0 = 8.85 Γ 10-12 c2/n Β· m2)
Answers: 1
Ducjuliu42 uvuleearth space science /19. britten baker 4932 siquestion 3(multiple choice worth 2 poi...
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