Answer:
A) how your body uses oxygen
A). Scale.
You CAN measure volume with all the following except a scale.
Answer:
The correct option is a behavioural models of the the to-be system.
Explanation:
As the Use case analysis method generates the analysis classes list such that the classes are capable of performing the behavior needed to make the system function successfully. From these analysis classes list the responsibilities of each class are defined.
As the list is derived from the behavioural models of the system, thus option a is the correct option.