• Code: C.4.10.CA.1
  • Spefication Reference:\
  • Keywords: Gases, atmosphere, composition
  • Objectives: To state the composition of the main gases in the atmosphere. To describe the early atmosphere of the earth. To compare the atmosphere of Mars and Venus to the early atmosphere of the earth. To describe uses of the atmosphere's gases.
  • Competency: To label a pie chart to show the composition of the earth's atmosphere
  • Proficiency: To recall the changes which have happened from the early atmopshere to today's
  • Mastery: N/A


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