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Sajjad1994
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Swekshaaa
Answer for 3 Question shiuld be A why Uts C??

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3. How much is the energy of an incandescent lamp spent on tasks other than giving off light?

Explanation

So long as you read the question carefully and take a moment to a brief calculation, you’ll choose correctly. If 5 percent or less of the lamp’s energy is given to producing light, that means that 95 percent or more is given to other tasks. Choice (C) is best.

Answer: C
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Why question 1 no answer B, and why C is not correct answer

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Why question 1 no answer B, and why C is not correct answer

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1. What can be inferred about incandescent lamplight from the passage?

Difficulty Level: 700

Explanation

With an inference question, you always want to make a short jump, not a long leap. Choice (D) represents a long leap — it may be true, but it’s not implied in the passage. Choice (B), however, is a very small hop that even uses words from the passage, making it the best choice.

Answer: B
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