Which of the following is not a reason for the wide use of cfc's during the 1920's - 1990's?

nonpoisonous
nonflammable
strength
did not corrode metal

CFCs are Chlorofluorocarbon substances used in refrigerants (subtances used to keep other things cold) and in aerosol products.

they are both relatively nontoxic(nonpoisonous) and nonflammabale - at least as compared to alternatives.

They are rather volatile - they are not very stable. Therefore it does not make sense to say that they are strong - the correct answer is then strength.

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.

Fungi is were it belongs