Explain the following:
Aerosol

Explanation

### Step-by-Step Text Solution:

1. **Definition of Aerosol**: An aerosol is defined as a colloid that consists of fine solid particles or liquid droplets suspended in a gas, typically air.

2. **Composition**: Aerosols can be made up of tiny solid particles, such as dust, or liquid droplets, such as water vapor.

3. **Formation**: Aerosols can form through natural processes or human activities. This means they can be classified as natural aerosols or artificial (anthropogenic) aerosols.

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