People used to put the raw manure back on the lands as fertilizer.
People used to put the raw manure back on the lands as fertilizer.
Guaninewasfirstisolatedfromguano,whichis________ manure. A: chicken B: cow C: elephant D: ird
Guaninewasfirstisolatedfromguano,whichis________ manure. A: chicken B: cow C: elephant D: ird
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