Ques:Q: What type of bacteria stains red? Choices: - gram - such bacteria - kilogram-negative bacteria - calcium - negative bacteria - gram-negative bacteria A:

Ans:gram-negative bacteria
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Ques:Q: What are two basic types of pollutants in the air? Choices: - smog and coal - organic and inorganic - pesticides and smog - primary and secondary pollutants A:

Ans:primary and secondary pollutants
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Ques:Q: What type of cells are flagella rare in? Choices: - intracellular - cancer. - synthetic - eukaryotic A:

Ans:eukaryotic
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Ques:Q: What phenomenon occurs when strong winds blow surface water away from shore, allowing deeper water to flow to the surface and take its place? Choices: - percolating - hurricane - tsunami - upwelling A:

Ans:
upwelling
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