[ 59 ] Earth and Space Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 520 km 500 km 490 km –10 –50 0 50 100 150 200 500/1,500 Temperature ºC Troposphere Stratosphere Mesosphere Thermosphere Exosphere Altitude 160 km 140 km 120 km 100 km 80 km 60 km 40 km 20 km According to the graph, in which atmospheric layers does temperature decrease as altitude increases? A. mesosphere and exosphere B. troposphere and thermosphere C. stratosphere and thermosphere D. troposphere and mesosphere