Answer:
Many scientists believe that the roofs of these houses were made from whale ribs and the bones of other animals. the region did not have enough food for them during the colder seasons.
Explanation:
Hey ! Without the environment, there would be no democracy and no peace. They all intertwine to form a society of peaceful people. With peace, an environment could be much cleaner. Have a great day...
I belive it is D because it is a scientific reasons and it gives you data to learn off
Technology has gotten much better since the 1920s
