Final answer:
Flight Attendants can typically control the cabin temperature within a range of 18-28 degrees Celsius (64-82 degrees Fahrenheit) using the aircraft's environmental control system. However, this range may vary depending on the specific aircraft. In extreme outside temperatures, additional heating systems or insulation would be needed to maintain a comfortable cabin temperature.
Step-by-step explanation:
The range a Flight Attendant (FA) can control the cabin temperature can vary depending on the specific aircraft and its systems. Typically, FAs can control the cabin temperature within a range of around 18-28 degrees Celsius (64-82 degrees Fahrenheit). This range is based on the comfort preferences of the passengers and is meant to provide a comfortable environment during flights.
However, it's important to note that the actual control of the temperature is managed by the aircraft's environmental control system (ECS). The ECS can regulate the temperature within this range by adjusting the flow of conditioned air into the cabin through air conditioning units.
As for the specific scenario you mentioned, where the outside temperature is -10 °C, it would not be reasonable to expect the FA to be able to maintain a cabin temperature within the range mentioned above without additional heating systems. The ECS is not designed to overcome extreme outside temperatures, and in such situations, the aircraft would rely on other heating mechanisms or insulation to maintain a comfortable cabin temperature.