What could be the harmful effects of improper management of industrial and domestic solid waste in a city ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Solid Waste Types**:
- Solid waste is categorized into two main types: biodegradable and non-biodegradable.
- Biodegradable waste can be decomposed by microorganisms, while non-biodegradable waste cannot.

2. **Effects of Improper Management of Biodegradable Waste**:
- When biodegradable waste, such as kitchen leftovers, is not properly managed, it can lead to:
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