[ 259 ] GED ® TEST SOCIAL STUDIES FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Geography and the World Fill in the blank with the correct term. The ___________ is a layer of gases above the planet’s surface. a. biosphere b. lithosphere c. topography d. atmosphere Fill in the blank with the correct term. ________ is/are opposite in the Northern and Southern Hemispheres. a. The tilt of Earth b. Earth’s orbit c. The seasons of the year d. Earth’s axis Fill in the blank with the correct term. __________ include(s) the atmosphere, oceans, freshwater systems, geological formations, and soils of Earth. a. Habitat b. The biosphere c. Biodiversity d. Mineral resources