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Exam-style practice

The atmosphere answer explanations

Review worked answers and explanations for The atmosphere. Aligned to Cambridge IGCSE Environmental Management.

Answer explanations

Question 1 of 2

Review the answer support, then move sideways through the set.

Paper 1 structured question: The atmosphere

Paper 1Theory3 marks

Diagram Description

Layers of the Atmosphere

A diagram shows the Earth's atmosphere divided into four layers: Troposphere (lowest), Stratosphere, Mesosphere, and Thermosphere (highest). The ozone layer is marked within the stratosphere. The main gases listed are nitrogen, oxygen, carbon dioxide, argon, and water vapor.

LayerDescription
TroposphereLowest layer where weather occurs
StratosphereContains the ozone layer
MesosphereMeteors burn up here
ThermosphereOutermost layer with high temperatures
  1. a

    Describe the main characteristics of the troposphere and stratosphere.

    [3]