Line graph, not positive though
Answer:
A - Subtracting all costs from the total benefit.
Explanation:
Opportunity cost is the cost of doing something that might benefit you. For example, the Opportunity cost of playing Minecraft with your buddies is maybe completeing the remaining questions of your homework. This being true, makes the answer choice A the most logical one.
When two neurons are activated at the same time, the connection between them will increase; this is called long-term potentiation.