Biology, 04.09.2020 19:01, davidsouth444
A science class tested ways to clean water after an oil spill. Each group of students was given 100 mL of vegetable
oil, 100 mL of engine oil, and 800 mL of water in a rectangular plastic container. Each container also held five
floating wooden cubes (5 cubic centimeters each) representing animals in the water. Each group was tasked with
removing as much oil as possible in a 20 minute period, leaving clean water" in the container, using whatever tools
they brought to class. The results of the "clean-up" are presented in the table below.
Group
1
2
3
4
Vegetable oil removed (ml)
10
110
60
80
Engine oil removed (mL)
20
130
40
70
Based on the results above, which group's data are obviously unreliable?
O group 1
group 2
O group 3
Answers: 2
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