The final step of the decision-making model is to make your decision and take action.

No, it is not the final step in decision-making model. It is rather the penultimate stage of the model of decision making.

Explanation:

The final step of the decision-making model is reviewing your decision and its consequences. The decision-making model has total of 7 steps. One should follow these all the steps to make it error free and more efficient then it rather would have been when the decision was made without following it.

The very first step of this model is to identify the decision. And it is one of the most important steps to be followed to avoid any error.  

answer; (b) agriculture, food, and natural resources;