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In metropolitan cities, the automobiles ...

In metropolitan cities, the automobiles causes air polution

A

0.8

B

0.6

C

0.5

D

1

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Problem**: The question states that automobiles in metropolitan cities cause air pollution. We need to quantify this impact using the given options. 2. **Analyzing the Options**: The options provided are 0.8, 0.6, 0.5, and 1. These values likely represent the percentage of air pollution attributed to automobiles. 3. **Evaluating the Impact**: According to the information, most automobiles have an environmental impact of 80% to 90%. This indicates that a significant portion of air pollution in metropolitan areas can be attributed to automobile emissions. 4. **Selecting the Correct Option**: Since the impact is stated to be between 80% to 90%, the most appropriate option from the choices given is 0.8 (which represents 80%). 5. **Conclusion**: Therefore, the correct answer to the question is 0.8, indicating that automobiles contribute significantly to air pollution in metropolitan cities. ---
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