Answers

  • Brainly User
2014-05-14T22:07:04+05:30
Organisms use outside raw materials mostly in the form of food and oxygen. Raw materials required by an organism can be depending on the complexity of  organism and its environment.
                                                      Mostly 
oxygen,water...food that consists of several nutririve elements.
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  • Brainly User
2014-05-14T22:11:09+05:30
An organism uses outside raw materials mostly in the form of food and oxygen .
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