The gallbladder is part of the biliary system of the digestive system
Answer: Rapid- quick, fast, swift
Population- community, culture, people
Growth- advance., advancement., expansion.
Explanation: It's pretty much defining the words :) Anyways, have a good day!
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.
