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During the 1980s, lighting power densities were higher than today. Which is a good comparison? Group of answer choices 1980 4 W/ft2, 1990 2 W/ft2,

During the 1980s, lighting power densities were higher than today. Which is a good comparison? Group of answer choices 1980 4 W/ft2, 1990 2 W/ft2, now 1 W/ft2. 1980 6 W/ft2, 1990 3 W/ft2, now 2 W/ft2. 1980 6 W/ft2, 1990 3 W/ft2, now 1 W/ft2

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