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Biology, 22.06.2019 02:30, ComicSans10
Sally and sue were investigating the topic of friction in science. they used a small car and a ramp as seen in the picture to test what they were learning. they knew that they slipped easily on waxed floors but not on carpet, so they decided to change the material on the surface of the ramp to see what happened. they planned to use glass, carpet, aluminum foil, and sandpaper and run the car down the ramp over each surface. what would be the best research question to guide the girls' experiment? a) does the amount of surface area affect the friction on the moving car? b) will the car travel fastest on the glass surface? c) how does the angle of the ramp affect the speed of the car? d)do rougher surfaces tend to create more friction than smooth surfaces?
Answers: 1
Biology, 22.06.2019 12:40, martinbricein10
Select the correct answer from each drop-down menu. the lac operon in e. coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .
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Biology, 22.06.2019 13:00, archiecom55
Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart
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Biology, 22.06.2019 13:00, derick5977
Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia
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The vascular cambium is part of a plant's primary growth produces secondary phloem and xylem tissue...
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