Answer: None of these options
Step-by-step explanation:
The non-point source pollution is the pollution in which the source of pollution remains undetermined. Such a source of pollution cannot be traced back to its origin. It remains mixed with other pollutants.
According to the given situation, sources of pollutants are mentioned in the given options. The noise is generating from source chainsaw, smoke is generating from the wood stove and fumes are generating from the lawn mower.