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pochemuha
3 years ago
14

Ammonia and _________ are waste products of animal cells. oxygen urine hydrogen carbon dioxide

Biology
2 answers:
Mazyrski [523]3 years ago
8 0
Ammonia and urine(pee) are waste products of animal cells.
Temka [501]3 years ago
3 0
Ammonia and urine are waste products of animal cells
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