Weather forecasts are based on a weather forecaster's judgment on which one of a number of scenarios is likely to happen. Each scenario, in turn, is based on a prediction on what may happen in the future given conditions that almost always change in unexpected ways. Thus, it is difficult to trust weather forecasts.Which of the following statements best expresses the main conclusion of the above argument?1. Conditions almost always change in unexpected ways.2. Weather forecasts are difficult to trust3. Weather forecasts are based on a number of potential scenarios.

Answer:2. Weather forecasts are difficult to trustStep-by-step explanation:Words like thus are preliminar to a conclusion, that is, we use words like thus when we are going to conclude something.For Example:The New Englard Patriots have won 6 Super Bowls. Thus, the New England Patriots are a good NFL franchise.The conclusion is that the Patriots are a good NFL franchise. In this problem, we have that:Thus, it is difficult to trust weather forecasts.The conclusion is:2. Weather forecasts are difficult to trust