E-CONTENT

 INTRODUCTION

Atmosphere is the blanket of air surrounding the earth. It is the atmospheric gases such as oxygen and carbon dioxide which play a major role in maintaining the earth as a life supporting planet. Gases, moisture and dust particles are the major constituents of our atmosphere that holds the atmosphere close to the earth.It is the gravitational attraction of the earth that holds the atmosphere close to the earth. 


OBJECTIVES

  • To identify the important gases in atmosphere
  • To describes the significance of gases such as nitrogen, oxygen, carbon dioxide etc. in sustaining life. 
  • Establishes the importance of fine dust particles in the atmosphere. 
  • To analyse the process of Respiration, Photosynthesis and Nitrogen fixation. 

SUBJECT MAPING

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