A Shipping Company Employee Notices That the Inside of Ships

question 35

Multiple Choice

A shipping company employee notices that the inside of ships' hulls where ballast water is stored are deteriorating. The hull paint contained cyanide to prevent microbial growth. Since bacteria were growing on the hulls, you can conclude that the

• A) Bacteria were using aerobic respiration.
• B) Bacteria were growing by fermentation.
• C) Bacteria were using anaerobic respiration.
• D) Bacteria were using cytochromes.
• E) None of the above.

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Definitions:

Ratios

A mathematical expression that compares two or more numbers, showing the relative size of one quantity to another.

Totals

The sum or aggregate amount resulting from the addition of individual elements, numbers, or variables.

Relative Frequency

The ratio of the absolute frequency of a particular value to the total number of data values in a dataset.

Class B

Often used in categorization systems to denote a second or intermediate quality, level, or grouping.