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 answer is C ik that because it said it was right on my test
B. plate tectonics your welcome
Advantages of Free Trade:
The advocates of free trade put forward the following advantages of free trade:
(a) International Specialization:
Free trade causes international specialisation as it enables the different countries to produce those goods in which they have comparative advantage. International trade enables countries to obtain the advantages of specialisation. First, a great variety of products may be obtained.