Environmental Science
The expansion on PQLI is

Poverty, quality of life in India
Poor quality of life in India
Population quotient of life in India
Physical quality of life index

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Environmental Science
The main reason why vegetables take longer to cook in boiling water at high altitudes is because:

The temperature of the boiling water decreases with increasing altitude
There is less oxygen in the air at high altitude
Water boils at a higher temperature with higher altitude
Saturation vapor pressure decreases with increasing altitude

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