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Which of the following might cause a shift from PPF1 to PPF2? I. A new source of high quality denim fabric. II. A new lighter metal for constructing automobiles. III. An influx of immigrants to all parts
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Which of the following might cause a shift from PPF1 to PPF2? I. A new source of high quality denim fabric. II. A new lighter metal for constructing automobiles. III. An influx of immigrants to all parts of the nation.

User Duncan Lawler
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fAnswer: A new source of high quality denim fabric

Step-by-step explanation:

A shift from PPF1 to PPF2 would suggest a new improvement due to technology, innovation or raw material. Here a new source of high quality fabric would result in more and better production of fabrics.

User Gaurang Tandon
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