AP®Environmental ScienceCollege BoardExam QuestionsUnit 4: Earth Systems & ResourcesEarth’s Atmosphere

Earth’s Atmosphere (College Board AP® Environmental Science): Exam Questions

2 mins2 questions
11 mark

Which of the following correctly lists Earth's atmospheric layers in order from the surface upward?

  • Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

  • Stratosphere, Troposphere, Mesosphere, Thermosphere, Exosphere

  • Troposphere, Mesosphere, Stratosphere, Thermosphere, Exosphere

  • Mesosphere, Troposphere, Stratosphere, Thermosphere, Exosphere

Choose your answer

21 mark

Which of the following best represents the composition of Earth's atmosphere by volume?

  • 70% Oxygen, 20% Nitrogen, 10% Carbon dioxide

  • 78% Nitrogen, 21% Oxygen, ~1% Argon and other gases

  • 70% Oxygen, 20% Carbon dioxide, 10% Nitrogen

  • 78% Nitrogen, 11% Oxygen, 10% Water vapour and other Gases

Choose your answer