1) Communication satellites orbit here a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 2) Majority of gases are found here. a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 3) Outermost layer of atmosphere a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 4) Most clouds form here a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 5) Jet stream for airplanes found near the bottom of here a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 6) Ozone layer found here a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 7) Middle layer a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 8) Jet planes fly here a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 9) Least dense of all layers a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 10) Only layer to support life a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 11) All weather occurs here a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 12) 4th layer from Earth a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 13) Aurora Borealis (Northern Lights) a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 14) 2nd layer from Earth a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 15) Hottest layer a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 16) 1st layer from Earth a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 17) Coldest layer a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 18) Most dense layer a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 19) Most meteors burn up in this layer a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 20) Ionosphere (ions) found in the lower layer  a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere 21) ISS (International Space Station) a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere e) Exosphere

Layers of the Atmosphere Open the Box

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