Biology · Oct / Nov 2019 · Paper 12 · Question 18
The pie charts show the proportions of gases in samples of inspired and expired air. Which segments represent which gases?
- Asegment 1: nitrogen, segment 2: other gases, segment 3: oxygen
- Bsegment 1: nitrogen, segment 2: oxygen, segment 3: other gases
- Csegment 1: oxygen, segment 2: other gases, segment 3: nitrogen
- Dsegment 1: oxygen, segment 2: other gases, segment 3: carbon dioxide
As printed in the paper
Show the answer
Correct answer: B. segment 1: nitrogen, segment 2: oxygen, segment 3: other gases
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.