Question: Q3 a) Differentiate between natural aggregates and artificial aggregates used for the construction of buildings and other infrastructure in Muscat. [5] b) Define N-type and

Q3 a) Differentiate between natural aggregates and artificial aggregates used for the construction of buildings and other infrastructure in Muscat. [5] b) Define N-type and P-type semiconductors and analyse the effect of temperature on their electrical behavior of both type of semiconductors. [10] c) Analyse the significance of recycling of plastics in the modern world. Give two practical example of polymer recycling
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