Automatically region nervous system
Answer:
Improving food storage facilities
Two primary techniques to identify use cases are USER GOAL TECHNIQUE AND EVENT DECOMPOSITION.
Use case refers to an activity which a system perform as a result of the request input by a user.
User goal technique is used to determine the specific goal that must be perform by the system for the user; user goal technique identify all the users of the system and their goals for using the system.
The event decomposition is used to determine the event to which the system must respond.<span />
Answer:
I think B)
Explanation:
What your asking isn't that clear but if you said 'producers' is a kind of plant that creates their own food and the process is called photosynthesis.
But at the same time your question says "this plant take in oxygen and release carbon dioxide during just like animals and other living things" Im not sure that plants are the ones to take in oxygen and release carbon dioxide so....
I'm sorry if this didn't answer your question.