Page 2 - THE SOLAR SYSTEM
P. 2

STRUCTURE OF THE EARTH








                                                                                                  • Earth is the only planet that can

                                                                                                      sustain life.



                                                                                                  • This is because it has an atmosphere
                                                                                                      with life supporting gases such as


                                                                                                      oxygen, carbon dioxide and nitrogen.


                                                                                                  • It has water .


                                                                                                  • The average temperature of the Earth

                                                                                                      is optimum for survival of life.
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