Discuss briefly the following:
(i) Radioactive wastes
(ii) Defunct ships and e-wastes
(c) Municipal solid wastes.

Explanation

### Step-by-Step Solution

#### (i) Radioactive Wastes
1. **Definition**: Radioactive wastes are materials that contain radioactive substances.
2. **Source**: These wastes are primarily produced from nuclear power generation and the process of nuclear fission.
3. **Nature**: They are classified as hazardous waste due to their harmful properties.
4. **Impact**: Radioactive wastes can pose significant health risks and environmental hazards if not managed properly.

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