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Correct!
Alkali leaching is also known as "weeping glass" and can lead to a network of cracks in the glass plate called crizzling. Glass plates are very vulnerable to breakage, but do not turn yellow.

Wrong: The answer is D.
Alkali leaching is also known as "weeping glass" and can lead to a network of cracks in the glass plate called crizzling. Glass plates are very vulnerable to breakage, but do not turn yellow.

Correct!
Vinegar odor and channeling (separation of the emulsion from the film base) are both symptoms of acetate film deterioration.

Wrong: The answer is A and D.
Vinegar odor and channeling (separation of the emulsion from the film base) are both symptoms of acetate film deterioration.

Correct!
Polyester film is the most chemically stable of all these materials.

Wrong: The answer is D.
Polyester film is the most chemically stable of all these materials.

Correct!
Vinyl discs are the most stable of these formats.

Wrong: The answer is D.
Vinyl discs are the most stable of these formats.

Correct!
While all of these factors can cause tape deterioration, the most common is binder hydrolysis (also known as sticky shed syndrome), in which the binder softens and a gummy surface residue forms on the tape.

Wrong: The answer is B.
While all of these factors can cause tape deterioration, the most common is binder hydrolysis (also known as sticky shed syndrome), in which the binder softens and a gummy surface residue forms on the tape.

Correct!
The first videotapes were produced in the 1950s, and acetate film was never used, only polyester.

Wrong: The answer is C.
The first videotapes were produced in the 1950s, and acetate film was never used, only polyester.

Correct!
The laser reads the disc by passing through the clear plastic layer from the bottom and focusing on a data layer that is located just under the top label.

Wrong: The answer is A.
The laser reads the disc by passing through the clear plastic layer from the bottom and focusing on a data layer that is located just under the top label.

Correct!
"R" discs, or write-once disks, are significantly more long-lasting than rewritable discs.

Wrong: The answer is B and D.
"R" discs, or write-once disks, are significantly more long-lasting than rewritable discs.