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Rearrange the following sentences to form a meaningful passage:

1. Solar energy is one of the most promising renewable energy sources. 2. It has a minimal environmental impact compared to fossil fuels. 3. Solar panels convert sunlight into electricity. 4. However, energy storage remains a significant challenge for solar energy systems.

A2-1-4-3

B1-2-4-3

C3-2-4-1

D4-1-2-3

Answer:

B. 1-2-4-3

Read Explanation:

  • 1. Introduces the main topic (Solar energy is one of the most promising renewable energy sources.)

  • 2. Expands on why it's promising (It has a minimal environmental impact compared to fossil fuels.)

  • 4. Introduces a limitation/contrast using "However" (However, energy storage remains a significant challenge for solar energy systems.)

  • 3. Explains the basic mechanism/technical aspect (Solar panels convert sunlight into electricity.)

  1. Sentence 1 introduces the primary subject (Solar energy) as a promising renewable source, making it the ideal topic sentence.

  2. Sentence 2 builds directly on Sentence 1 by explaining why it is promising (minimal environmental impact).

  3. Sentence 4 introduces a contrasting limitation ("However..."), addressing the storage challenge.

  4. Sentence 3 concludes with the core operational function.


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