Answer:
Option C. Homes made out of materials found in their environment is the only correct one.
Explanation:
Options A, B and D are not correct as these are the examples of modern (popular) culture.
C is correct because it tells about some original customs that have been existing in a certain area for a longer period time and has a large tradition.
The oceanic crust is more dense compared to the continental crust.
Answer:
c.
Explanation:
the flooding was created to have more trading routes
Answer:
The oil sands are a strategic resource that contributes to economic opportunity and energy security for Canada, North America and the global market. The oil sands comprise 167.2 billion barrels of crude oil – 97 percent of Canada’s 172.5 billion barrels of proven oil reserves – and are a vital part of the Canadian economy.
Source: nrcan.gc.ca
They show that there was an ocean over the plains long ago, and fossils are always used to elaborate on the history of life/how it developed.