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Which type of bacteria cannot survive in the presence of oxygen?
Which type of bacteria cannot survive in the presence of oxygen?
Which of the following is an illness caused by parasitic roundworms?
Which of the following is an illness caused by parasitic roundworms?
What type of hazard is caused by disease-causing microorganisms such as bacteria, molds, yeasts, viruses or fungi?
What type of hazard is caused by disease-causing microorganisms such as bacteria, molds, yeasts, viruses or fungi?
Which of the following is an example of chemical contaminants?
Which of the following is an example of chemical contaminants?
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What does the term 'contamination' refer to?
What does the term 'contamination' refer to?
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