OPSC 2017 Solved Paper

Question : 95 of 100

Marks: +1, -0

The safe threshold limit of

{CO}_{2}

concentration in the atmosphere in ppm is

Solution:

Many research reports published says that global warming promises "irreversible catastrophic effects" if we allow

{CO}_{2}

to exceed

350 {ppm}

past the end of this century. This level has been recognised as the safe threshold concentration.

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