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The answer should be threshold for health benefits.
The risk management principle involved in this is decision making.
<u>Explanation:</u>
The processes and the activities that we perform have some risks involved in them. The intensity of risk might differ from one task to the other task. So the risk involved in these tasks and the activities must be managed properly so that the target can be achieved properly.
These are some principles involved in the management of the risk. The principle involved in the task given in the question is that of making a decision which serves the purpose best and helps you to achieve your target. The decision made to cross the river via the bridge is taken after keeping into mind a lot of factors and the decision taken should minimize the risks. Thus it is the principle of the decision making.
Product positioning.
Product positioning is the place a product occupies in consumers' minds based on important attributes relative to competitive products