Which of the following is NOT an excretory product of animals?
A carbondioxide
B urea
C sweat
D oxygen
Answer is D
Animals take in oxygen in respiratory process, taking out carbondioxide.
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Which of the following is NOT an excretory product of animals?
A carbondioxide
B urea
C sweat
D oxygen
Answer is D
Animals take in oxygen in respiratory process, taking out carbondioxide.
