Ordering and threatening are examples of
a. effective communication
b. active communication
c. barriers to communication
d. passive aggressive communication

Orders and threatening are examples of C) barriers to communication. If you use ordering and threatening, you are going to impede the communication, it will just worsen it. 

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.

Water(like when there is a hurricane)some foods(not enough for everyone)