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5 votes
The least efficient kind of light bulb is the _____.

A. three-way bulb

B. frosted bulb

C. incandescent bulb

D. fluorescent bulb

It is really environmental science but it don't have that as a subject so yea

User Geoffreak
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2 Answers

1 vote
I think the answer would be C
User Parv Bhasker
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7.8k points
2 votes
I believe your answer is C. incandescent bulb
User Glr
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8.6k points
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