Which of the following may constitute a nuisance?

The correct choice captures the essence of what constitutes a nuisance in a legal context. Nuisance pertains to actions or conditions that interfere with the use and enjoyment of one’s property. Excessive noise, odors, or pollution from a neighboring property are quintessential examples of nuisance because they significantly disrupt the quality of life and the ability to enjoy one's own home or land.

Such disturbances can lead to complaints from neighbors and potential legal action, particularly if they are persistent and unreasonable. The key characteristics of this situation involve substantial interference with an individual's rights, thereby constituting a nuisance according to tort law.

In contrast, using residential property for a small business might not always lead to nuisance claims unless such activities result in disturbances like noise or traffic. Construction during daytime hours typically aligns with local zoning laws and ordinances, therefore generally won't be considered a nuisance as it usually occurs within accepted hours. Lastly, maintaining a garden is usually seen as part of normal residential living and is unlikely to disrupt neighbors to an extent that qualifies as a nuisance.

Thus, the issue of excessive noise, odors, or pollution stands out as the clear example of a nuisance because of its potential to cause significant disturbance and impact on neighboring properties.