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Isn't getting energy from food incredibly inefficient when you look at the entire system though? And while the plants themselves may be 'solar powered', the tr
by sebzim4500 4y ago
Isn't getting energy from food incredibly inefficient when you look at the entire system though?
And while the plants themselves may be 'solar powered', the tractor used to plant them isn't. Neither is the factory where they made the fertilizer etc.
- ccozan 4y agoWith a very few exceptions, all the energy on Earth is coming from the Sun, aka "solar power".
- akira2501 4y agoWell.. we are not a dead end for those nutrients, in that we excrete waste that isn't completely stripped of nutrition. This waste, treated properly, can be quite valuable to a variety of ecosystems.