Which of the following is a risk factor for termite infestations?

Moisture accumulation near wooden structures is indeed a significant risk factor for termite infestations. Termites are attracted to damp and moist environments because they require moisture to survive and thrive. When there is an accumulation of moisture near wooden structures, it creates an ideal habitat for termites, which can lead to infestations. They are particularly drawn to decaying wood and any wood that has been in contact with the moisture, as it is often easier for them to penetrate and consume.

Other factors, such as high soil drainage and the use of metal in construction, do not create conditions conducive to termite activity. High soil drainage typically leads to drier soil and less moisture accumulation, which would deter termites. Similarly, the use of metal in construction does not provide a food source for termites, which primarily feed on cellulose found in wood and plant materials. Wood siding, while potentially vulnerable to termites, is not inherently a risk factor unless it is subject to moisture issues. Thus, the presence of moisture accumulation is a critical factor that increases the likelihood of termite infestations.