What types of items were traded in mesoamerica

How is organizing history by theme different from organizing history by region? a. a historian who organizes history by theme focuses on a specific individual, whereas a historian who organizes history by region focuses on a big idea over an extended length of time. b. a historian who organizes history by theme studies a specific time period, whereas a historian who organizes history by region studies a specific individual from human history. c. a historian who organizes history by theme studies a big idea that occurs over an extended length of time, whereas a historian who organizes history by region focuses on a specific length of time. d. a historian who organizes history by theme studies a big idea that occurs over an extended length of time, whereas a historian who organizes history by region focuses on a specific area of the world.

Ineed on this equation what is the real value of x in the equation [tex]log_2}24 - log_{2} 3 = log_{5}x[/tex] a. 3 b. 21 c. 72 d. 125 e. 243

Compare and contrast the environmental consequences of reliance on coal with reliance on petroleum.