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Nandy
Questions (3)
What is risk behaviour and explain why it is important for teenagers to investigate and be knowledgeable about it
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A sample of comprising 150 members is required from a population comprising 5000 members. It is known that the population falls
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The emission of 10 engines is found to be:
15.6, 16.2, 22.5, 20.5, 16.4, 19.4, 16.6, 17.9, 12.9, 13.9. The mean emission must,
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Answers (1)
They helps us to learn different types of living things around us.
