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Which among the given is not a natural s...

Which among the given is not a natural source of air pollution?

A

Automobile exhausts

B

Vegetation decay

C

Forest fire

D

Volcanic eruptions

Text Solution

AI Generated Solution

The correct Answer is:
To determine which among the given options is not a natural source of air pollution, we can analyze each option step by step. ### Step-by-Step Solution: 1. **Understanding Air Pollution**: - Air pollution refers to the introduction of harmful substances into the atmosphere, which can be caused by both natural and human-made activities. 2. **Analyzing the Options**: - **Option 1: Automobile Exhaust** - This is produced by vehicles and is a result of human activities. Therefore, it is considered man-made pollution. - **Option 2: Vegetation Decay** - This process occurs naturally as plants decompose, releasing gases like carbon dioxide and methane into the atmosphere. Hence, it is a natural source of air pollution. - **Option 3: Forest Fire** - Forest fires can occur naturally due to lightning strikes or other natural causes. They release smoke and other pollutants into the air, making them a natural source of air pollution. - **Option 4: Volcanic Eruption** - Volcanic eruptions are natural events that release ash, gases, and other particulates into the atmosphere, contributing to air pollution. Thus, this is also a natural source. 3. **Identifying the Correct Answer**: - After analyzing all the options, it is clear that **Option 1: Automobile Exhaust** is the only option that is not a natural source of air pollution. ### Final Answer: The correct answer is **Option 1: Automobile Exhaust**. ---
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