The growth on soap would not change that much, it will just change a little or just a bit of its part, but the damage would decrease the species growth elsewhere. Growth on soap will not change, but the damage had the chance to decrease the species growth elsewhere.
Normally a 10× drop for each trophic level, so I'd say 2,000 kilocal.
Osmosis i believe, but it may be <span>turgor pressure
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Yes based off of the questions I could say China