EugeneC's answer to Beatrice's Primary 6 Maths Measurement Singapore question.
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31a) 12pm as the amount of light measured is the highest. (Light intensity is one of the factor that affects the rate of photosynthesis)
31b) Air pockets contains trapped air which are good insulators as it reduces heat losses on a cold day. The more trapped air there is, the better the insulation. (Reduce heat loss from conduction and convection)[not sure if you have learnt this]
31b) Air pockets contains trapped air which are good insulators as it reduces heat losses on a cold day. The more trapped air there is, the better the insulation. (Reduce heat loss from conduction and convection)[not sure if you have learnt this]
Date Posted:
4 years ago
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