Why is a large refrigerant leak potentially dangerous?

A) Most common refrigerants used in residential systems are highly toxic.
B) Most common refrigerants used in residential systems are highly corrosive.
C) Most common refrigerants used in residential systems are highly flammable.
D) They can replace all of the oxygen, leading to asphyxiation.


D

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Fill in the blank(s) with the appropriate word(s).

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a. day b. hour c. minute d. second

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What will be an ideal response?

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