Ques:Q: What is making measurements that are close to the true value known as? Choices: - estimation - frequency - prediction - accuracy A:

Ans:accuracy
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Ques:Q: How many chromosomes do bacterial dna have? Choices: - one rectangular chromosome - one triangular chromosome - one simple chromosome - one circular chromosome A:

Ans:one circular chromosome
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Ques:Q: What type of chemistry is the study of the composition of matter? Choices: - philosophical - reactive - symbolic - analytical A:

Ans:analytical
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Ques:Q: What element once commonly used in paint and gasoline has now been found to have dangerous effects? Choices: - plastic - chromium - niacin - lead A:

Ans:
lead
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