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AP Environmental Science Earth Atmosphere Structure

Practise atmosphere-structure questions by interpreting temperature profiles, identifying gases and locating weather within Earth’s atmospheric layers.

Syllabus
Effective Fall 2025
Course
AP Environmental Science

Exam points

  • identify the governing concept or relationship in the problem
  • justify the result with equations, diagrams or contextual evidence

ERT-4.D—Describe the structure and composition of the Earth’s atmosphere question 1

[Maximum number: 1]
Figure for Question ERT-4.D—Describe the structure and composition of the Earth’s atmosphere question 1 — AP Environmental Science

What gas would make up the majority of layer A?

A

Oxygen

B

Carbon dioxide

C

Nitrogen

D

Phosphorus

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