Who is Ertugrul ? How did he die

Why are constitutions, both federal and state, necessary for our government?

Aman wearing warm clothes in a cold place would be an example of how humans adapt to their environment. affect their environment. can change their environment. choose where to live.

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.