Question

3. Which gas is released in
respiration?
O a) Carbon monoxide
O b) Carbon dioxide
O c) Nitric oxide
O d) Sulphur dioxide​

Answer 1

Answer:

carbon dioxide

Explanation:

in our body there is a gas called CO2 ....

when we breathe out CO2 releases and we intake O2

Answer 2

Answer:

Carbon dioxide

Explanation:

Hope it helps