Which development made it possible for the Comanche to move from the Rocky
Mountains onto the Plains?
1. design of the teepee
2. use of a horse for transportation
3. opening of trade routes
4. settlement of Europeans

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity

Rah is completing a school project on the expansion of fast food restaurants across the united states. she finds a map that shows a clear pattern of restaurants beginning in the east and expanding west. this map was most likely created using the technology of

Migrant workers who fill employment needs in their host country often send remittances to their home countries