Laboratory Skills: Scientific Inquiry & Technique

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Living Environment Regents August 2008 Question 50

Friday, 24 April 2009 11:21
pH Level on Y-axis and Year on X-axis Add new comment

Living Environment Regents August 2008 Question 51

Friday, 24 April 2009 11:22
The y-axis should have a scale with a difference of 0.2 Add new comment

Living Environment Regents August 2008 Question 52

Friday, 24 April 2009 11:24
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Living Environment Regents August 2008 Question 53

Friday, 24 April 2009 11:28
According to the data table and the graph, the pH level decreased over the time period from 1980 to 1996. Add new comment

Living Environment Regents August 2008 Question 54

Friday, 24 April 2009 11:30
To arrive at accurate results, one factor that should be kept constant each time water sample are collected from the lake is collection of sample under similar weather conditions Add new comment

Living Environment Regents August 2008 Question 55

Friday, 24 April 2009 11:31

Organisms with antibiotic resistance would survive and reproduce. Others without resistance would decrease in number.

The culture where the bacteria were resistant to the antibiotic survived to reproduce and grow.

The culture which had bacteria which were not resistant to antibiotic would decrease in number and slowly get eliminated.

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Living Environment Regents August 2008 Question 61

Saturday, 25 April 2009 04:41
The problem described in the above scenario, was to determine how the yellow fever microbe was being transferred from one person to another. Add new comment

Living Environment Regents August 2008 Question 62

Saturday, 25 April 2009 04:51
Hypothesis – Yellow fever is spread by contact with the clothing of people who had yellow fever. Add new comment
Last Updated on Monday, 30 November 2009 16:32

Living Environment Regents August 2008 Question 63

Saturday, 25 April 2009 04:56
The control that should have been set up for the experiment described in paragraph C is that, there should have been a group of people sleeping in night shirts or bedding that had not been used by yellow fever patients. Add new comment

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