Which of the Following Statements Is True

question 100

Multiple Choice

Which of the following statements is true?

• A) Giardia is a tiny worm that lives in raw fish.
• B) After a meal, refrigerate leftovers within 5 hours.
• C) Freezing food kills the pathogenic bacteria it contains.
• D) Raw ground beef is often a source of
• E) coli O157:H7.

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Definitions:

Spike

A sharp increase or sudden upward movement, as in the context of graphs, prices, or signals.

Strong and Broad

Typically refers to the characteristic appearance of certain signals in spectroscopy, indicating a large distribution of energy levels or interactions.

IR Absorption

The process where a molecule absorbs infrared radiation, leading to vibrational transitions, used in spectroscopy to identify chemical compounds.

Intense IR Absorption

Refers to the strong absorption of infrared light by a molecule, typically due to specific bond vibrations, useful in identifying functional groups.