MCQ
In gobar gas, the maximum amount is that of :
- Abutane
- ✓methane
- Cpropane
- Dcarbon dioxide
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$X$ - $Y$
$II.$ There is negative pressure in the lungs than the atmospheric pressure In which of the above two situations inspiration takes place? Choose the correct option accordingly?
$I.$ ethanol $II.$ bread $III.$ Incilage
Choose the correct option