Rearrange the following sentences in correct order to make a logical passage.
1. Therefore, protecting them is a shared responsibility.
2. Coral reefs are vital marine ecosystems.
3. They provide habitats for countless species and protect coastlines.
4. Pollution and climate change pose severe threats to their survival.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 2-3-4-1.
Logical flow:
2: This is the introduction of the topic — “Coral reefs are vital marine ecosystems.”
3: This sentence explains why coral reefs are important — they provide habitats and protect coastlines.
4: This sentence introduces a problem or threat — pollution and climate change harm coral reefs.
1: The word “Therefore” shows a conclusion, meaning after knowing their importance and threats, we must protect them.
Thus, the correct sequence becomes: 2 → 3 → 4 → 1
Final Sentence: Coral reefs are vital marine ecosystems. They provide habitats for countless species and protect coastlines. Pollution and climate change pose severe threats to their survival. Therefore, protecting them is a shared responsibility.
Hence, the chosen option is correct.