please help me to solve these three question, these question are very important for me
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Q. 11
Dishes with gold, silver or platinum bands would reflect microwave energy and could cause arcing. Metal cookware should not be used in a microwave. Metal will not allow microwaves to penetrate and properly cook the food. When convection cooking in a microwave convection oven, metal and foil can be safely used.
Q. 12
Disadvantages
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The mono-fibers do not trap air pockets like cotton and provide poor insulation.
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Synthetic fibers burn more rapidly than natural.
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Prone to heat damage.
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Melt relatively easily.
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Prone to damage by hot washing.
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More electrostatic charge is generated by rubbing than with natural fibers.
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