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Industrial melanism is an example of:
| 1. | Natural selection | 2. | Mutation |
| 3. | Racial difference | 4. | Predation |
Other Reason
Industrial melanism is an example of:
| 1. | Drug resistance |
| 2. | Darkening of the skin due to smoke from industries |
| 3. | Protective resemblance with the surroundings |
| 4. | Defensive adaptation of skin against ultraviolet radiations |
Other Reason

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