Where does the rest of the energy “lost” go?
(In food webs)

The rest of the energy is passed on as food to the next level of the food chain. The figure at the left shows energy flow in a simple food chain. Notice that at each level of the food chain, about 90% of the energy is lost in the form of heat.

Explanation:

Hope it helps :)

Answer

about 90% of the energy is lost in the form of heat.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

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