Biology, 19.07.2019 12:00 ijohnson020702
Will give 15 points and brainliest to correct ! after watching an advertisement for hand sanitizer on television, ben decided to see just how effective the advertised hand sanitizer really was. ben used warm water as his control. he compared the advertised sanitizer with two brands of hand soap. in all four trials he rubbed his hands together for two minutes. after using the three products and the control, he cultured the bacteria on his hands. he recorded the number of bacterial cultures that appeared on each culture plate. ben's results can be seen in the data table. ben concluded that both brands of soap were more effective in killing bacteria than the advertised hand sanitizer. what term best describes ben's results for all four trials?
Answers: 1
Biology, 22.06.2019 05:30
One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing
Answers: 3
Biology, 22.06.2019 08:20
In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.
Answers: 3
Biology, 22.06.2019 13:00
How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?
Answers: 3
Will give 15 points and brainliest to correct ! after watching an advertisement for hand sanitizer o...
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