How do bees cool their hive?

Bees cool their hive primarily through a process of fanning their wings and incorporating water. When the temperature inside the hive begins to rise, worker bees will gather water from nearby sources and carry it back to the hive. In addition to adding moisture, the bees will use their wings to create airflow within the hive. By fanning, they enhance evaporative cooling, much like how a breeze can make a hot day feel cooler. This combination of water and airflow helps maintain a stable and suitable temperature in the hive, which is crucial for the health of the colony, particularly during hot weather.

Collecting nectar, while important for food stores, does not serve to cool the hive. A special scent is not utilized for temperature regulation, and building more comb does not directly address temperature control. Hence, the method undertaken by the bees in option B is a precise and effective strategy they employ to prevent overheating within their living environment.