Answer:
the sun
Explanation:
All the energy in oil, gas, and coal originally came from the sun, captured through photosynthesis. In the same way that we burn wood to release energy that trees capture from the sun, we burn fossil fuels to release the energy that ancient plants captured from the sun.
hope this helps
C: from what I can see in the graph
Producer primary consumer secondary consumer tertiary consumer decomposer
I think it is the blood vessels ???
