Which of the following environments is most likely to promote mold growth?

The environment that is most likely to promote mold growth is characterized by warmth and humidity. Mold thrives in conditions where there is a presence of moisture and a temperature that supports its growth, typically between 77°F to 86°F (around 25°C to 30°C). In a warm and humid environment, mold spores can easily absorb moisture from the air, which is essential for their reproduction and growth.

This is why places like bathrooms, kitchens, and basements, where warmth and humidity can often be present, are common sites for mold development. The combination of these two factors—warmth and humidity—creates an ideal breeding ground for various mold species. These organisms can proliferate rapidly under such conditions if organic material is available for them to feed on.

In contrast, the other environments mentioned, such as dry and sunny or cool and dry, lack the necessary moisture levels that mold requires to grow. Similarly, cold and windy conditions would also reduce humidity levels, creating an unfavorable environment for mold development. Thus, the warm and humid environment stands out as the most conducive to mold growth.