Answer:
B. external threat.
Explanation:
SWOT analysis is a technique of management that should determine possible errors, weaknesses, and strengths of the businesses and their planning. It analyses how the internal and external factors can affect possible functioning.
The example in the question is the possible external threat, as it concerns external factors. This means it is a threat coming from out of the business and it's the environment. Possible external tornados in the area are environmental weather hazards that can negatively affect business by threatening it and interfering with it.
