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Physical Systems and Processes · Term 1

Atmospheric Composition and Structure

Understanding the layers of the atmosphere and the gases that compose it, influencing weather and climate.

Key Questions

  1. Explain the role of the ozone layer in protecting life on Earth.
  2. Analyze how human activities have altered atmospheric composition.
  3. Predict the consequences of increased greenhouse gas concentrations on global temperatures.

Ontario Curriculum Expectations

ON: Interactions in the Physical Environment - Grade 9
Grade: Grade 9
Subject: Geography
Unit: Physical Systems and Processes
Period: Term 1

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