What is bad ozone and good ozone ?

Explanation

### Step-by-Step Solution:

1. **Definition of Ozone**: Ozone is a molecule composed of three oxygen atoms (O3) and plays a significant role in the atmosphere.

2. **Bad Ozone**:
- **Location**: Bad ozone is found in the troposphere, which is the lowest layer of the Earth's atmosphere.
- **Characteristics**: It is considered harmful because it is unstable and can be a layer of poisonous gas.
- **Effects**: Bad ozone is detrimental to both plants and animals, causing various health issues and environmental damage.
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