Answer:
the third one. many people think that it is impossible to introduce a dog into a household that already has a cat.
The bullwhip effect is a distribution channel phenomenon in which demand forecasts result in inefficiencies in the supply chain. (Got this off from Wikipedia)
For one..
Idiom means; a group of words established by usage as having a meaning not deducible from those of the individual words.
For two; what are the answer choices?
For three; I will answer it when I get more detail.
-Promise.-
The correct answers are:
5.) I
6.) Them
7.) Them
8.) Its
9.) All
10.) Who
These have been edited, they are now correct.