bnhp25 bnhp25
  • 16-05-2016
  • Biology
contestada

what are two primary sources of energy that power living systems?

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nwhit nwhit
  • 16-05-2016
Sunlight is the main source of energy for the life on earth. Some organisms but not all rely on the energy stored in inorganic chemical compounds.

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TayshaSantana00 TayshaSantana00
  • 16-05-2016
Light energy and Chemical energy
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