AQA As Unit 2 Environmental studies The atmosphere. quick questions 2.5 / 5 based on 8 ratings ? Environmental Science/StudiesASAll boards Created by: EmmaCreated on: 17-05-12 11:24 'A combination of active processes that cancel out each other's effect so that there is no overall change' is the definition of what? Drynamic Equilibrium 1 of 9 Where in the structure of the atmosphere does ozone naturally occur? Stratosphere 2 of 9 In a 24-hour cycle when does the concentration of Carbon Dioxide peak Night time 3 of 9 Temperature declines with increasing altitude in the Troposphere? True 4 of 9 Clouds of particulate matter absorb and reflect some light? True 5 of 9 Roughly what percentage of incoming solar radiation is absorbed by the Earths surface? 50 6 of 9 The infrared radiation that is emitted by the Earths surface is partly absorbed by what in the atmosphere? Gases 7 of 9 Carbon Dioxide concentration is increased by human activities in what way? Deforestation 8 of 9 A positive feedback mechanism is....... A situation where an initial change causes a reaction that increases the original change 9 of 9
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