What was a key reason for the growth of the maya culture? ?

In a command economy, people are not free toa buy consumer goods.b work in factories.c make production or monetary choices.d receive an education.

Enter the word you receive when you completed the river valley civilizations activity

Why are slanted roofs found on many buildings within russia and finland? a. to prevent ice slides. b. to prevent the build-up of water during heavy rains. c. to prevent heat from escaping during the clod winter months. d. to prevent snow build-up.