How did Ibn Battuta’s travels build knowledge of geography? He developed an accurate world map.
He wrote a guide used by other travelers.
He advised rulers of countries on geography.
He invented the astrolabe to study geography.

Ally just bought a plane ticket. she notices that the fare includes a september 11 security fee. what is the government’s purpose for imposing this fee? a. to pay for security at airports b. to pay for airplane maintenance c. to compensate airlines for rising fuel prices d. to pay for new government airplanes