The reasons why DDT is classified as a persistent organic pollutant are;
- DDT can be used to control diseases, such as malaria and typhus, that are spread by insects.
- DDT is detected in food worldwide and the general human population is most commonly exposed to the toxin through food.
Persistent Organic Pollutants can be regarded as toxic substances which are made up of organic chemical compounds.
These are industrial chemicals such as;
DDT is classified as a persistent organic pollutant because of it's usefulness in control diseases and it is been found in food stuff across the globe.
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It should be noted that the feature of Texas cattle ranching that did not originate in Spain is The cattle drive.
<h3>What is Texas cattle ranching all about?</h3>
Texas cattle ranching is the unique way in which they take care of their animal rearing system.
Texas cattle ranching;
However , some of the system comes from Spain
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From the options given, the only option which would result on having a reduced error margin, is to increase the sample size.
<u>Recall</u><u> </u><u>:</u><u> </u>
<em>Margin of Error</em> = Zcritical × σ/√n
- Increasing the mean would have no impact on the margin of error as it is not a part of the factors which affects the margin of error value.
- Increasing the standard deviation, which is the Numerator will result in an increased margin of error value.
- By raising the confidence level, the critical value of Z will increase, hence widening the margin of error.
- The sample size, n being the denominator, would reduce the value of error margin.
Hence, only the sample size will cause a decrease in the margin of error of the interval.
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The Correct Answer(S) Is - She is saying that in reading the story if the reader begins to have feeling for the character then they will invest much more to understanding the meaning of the story
HOPE THIS HELPS!!!
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If I get it WRONG i'm SORRY!!!
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There is peace and calm in the natural world. This is a place where Huck and Jim can be alone with their thoughts, and can feel alive and free. oh
