On the off chance that one of the reactants is in overabundance yet you don't know which one it is, you have to compute the hypothetical item mass for the both reactants, with a similar item, and whichever has the lower yield is the one you use to precisely depict masses/sums for the condition, since you can't have more than the non-abundance reactant can create.
the numbers are going to be small so like a power but its at the bottom
NH3, H2O2, NHO2
An example of habitat destruction could be a squirrel who lives in a tree but modern civilication cutting down the squirrels tree and leaving it homeless
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