The layers of cotton used to line the interior design material would act as the best insulator and heat conductor to reduce the amount of thermal energy that was lost from the solar oven's interior to its surroundings. So, option D is correct.
<h3>What is a Solar Oven?</h3>
Solar ovens are apparatuses that collect sunlight and generate heat to cook meals devoid of the use of additional fuels. Solar ovens are a popular cooking option among homesteaders, proponents of living off the grid, and environmentalists. They can also be utilized in remote villages and rural parts of developing countries because they are inexpensive and sustainable. Solar energy has a number of advantages, including being a clean, renewable source that lessens reliance on fossil fuels and glasshouse gas emissions.
Hence, the interior of the solar oven is lined with layers of cotton to maximize thermal energy inside while also acting as the greatest insulator to reduce thermal energy transfer from inside to outside.
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