Answers: 1
Physics, 23.06.2019 00:40
Researchers conducted an experiment to identify the effects of three different hand sanitizers on the growth of bacteria. the researchers grew one type of bacteria in twenty-four identical covered petri dishes. then, they opened eighteen petri dishes and applied the three hand sanitizers to six petri dishes each. they left the remaining six petri dishes closed as a control group. when the researchers measured the growth of bacteria two days later, the six dishes that had no hand sanitizer showed the least amount of bacterial growth. the researchers concluded that not using any hand sanitizer would lead to the least bacterial growth. which statement best explains why the researchersβ conclusion was not justified? the experiment tested too many variables. the control group was not treated the same as the experimental group. the sample size of twenty-four petri dishes is not large enough. the single type of bacteria is not adequate to make any conclusions.
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Physics, 23.06.2019 01:30
Which statements did both aristotle and ptolemy assume? check all that apply.
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Physics, 23.06.2019 06:30
The energy of a photon is equal to (what) times (what) of the photon.
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Physics, 23.06.2019 07:30
By definition a socially healthy person has access to clean water in adequate living space and makes an effort to recycle
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Which is example of a physical change? a. baking a cake. b. toasting bread. c. grinding pepper. d....
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