asked 198k views
4 votes
Which of the following is a type of waste that mammals do NOT release?

A) Feces
B) Urea
C) Oxygen
D) Carbon dioxide

asked
User Biesiad
by
7.6k points

1 Answer

2 votes
C Oxygen.
Mammals breath in oxygen and releases it as CO2 gas.
answered
User Bentley
by
8.5k points
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