A. adding oil to food
B. Exposing food to fresh air
C. keeping the food in a store
D. Warming the food daily
E. Salting and drying the food
Correct Answer:
Option E – Salting and drying the food
Hypothesis Testing
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Sampling Error And Sampling Bias
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Sample And Sampling Techniques
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Sources Of Literature - Project Writing
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Research Proposal Vs Research Abstract - Educational Research
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