Christmas MT's answer to Shivli Vinod Lal's Primary 6 Maths question.

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Christmas MT
Christmas Mt's answer
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For part (b), you need to mention that Carbon dioxide is a potent greenhouse gas that traps heat, which increases the rate of melting of ice, which increases the production of water vapour, an even more powerful greenhouse gas that has a higher warming potential.

Therefore, this causes temperatures to increase via the positive feedback mechanism.