The full term is scope of practice. Scope of practice is a term used in Healthcare positions used to describe what Healthcare providers are qualified to do.
the esophagus connects and transports food from the pharynx to the stomach
(pharynx is close to mouth, so id say mouth to stomach.)
The constant in the quadratic function is 6
It is D, sharing appreciation for what is being said. Both A and B aren't crucial to being a good listener, in fact in practice they effectively draw attention to yourself, which would be fine if the question was regarding being a good conversationalist. Additionally, C is just completely irrelevant, that wouldn't even be a good conversation practice, let alone a trait important to listening.
