Definitely not true, only some pharoahs got them built.
Answer: They would be using mimicry to make themself seem dangerous to scare off predators. :)
Answer:
Fertile.
Explanation:
The soil of the Nile River Valley is best characterized as fertile.
The correct answer is
<span>openness to differing opinions
Groupthink is basically ignoring the facts just to be able to preserve the group. Often, differing opinions are ignored because they would be bad for the group so you just ignore them in order to preserve cohesiveness of the group. All the other things are causes for groupthink.</span>