Answer:
osmosis
Explanation:
the diffusion of water molecules from a area of high water concentration to an area of low water concentration,
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You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
Carbon would build up in the atmosphere.
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Molluscs. hope this helps!
The key difference between energy flow and matter cycling is that energy flow shows the energy transmission from one trophic level to next trophic level in food chains while matter cycling shows the flow or cycling of elements through the living and nonliving parts of ecosystems