Find the sum of the following geometric series. 
Definitions:
Conversion Efficiency
A measure of how effectively a system converts input energy into output energy or work.
Food Pyramid
A visual representation to illustrate the recommended balance of different food groups in a healthy diet.
Available Energy
The portion of energy in a system that can be used to perform work.
Trophic Level
A position that an organism occupies in a food chain, which is a way of categorizing living things according to how they gain their energy.
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