I imagine, it's A, they get a sense of the history of the area they are investigating.
Answer:
No.
Explanation:
The seven wonders of the world are:
1) The Taj Mahal.
2) The Colosseum.
3) The Chichen Itza.
4) Machu Picchu.
5) Christ the redeemer (statue).
6) Petra.
7) Great Wall of China.
The Niagara Falls is a natural landscape.
B.) understood each other
Streak, color, luster, crystal structure.
I think it is c.polynesian
