Answer: i think it could be the habitat in which the agent normally lives, grows, and multiplies.
Explanation: Basically, the reservoir may or may not be the source from which an agent is transferred to a host.
Agoraphobia is the fear of being out in the open. People with Agoraphobia are scared of leaving home, crowded places and places that escape would be difficult.
Answer:
B. eating increases the amount of oxygen available during exercise
Sympathetic if I’m not mistaken