Which of the following are non-biodegradable materials ______?
Correct answer: B. Plastics
- A. Dead Animals
- B. Plastics
- C. Bread
- D. None of these
Explanation
Plastic is non-biodegradable because most microorganisms cannot naturally decompose its long polymer chains. Dead animals and bread are organic materials that decompose relatively readily.
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Environmental science covers ecosystems, food chains and webs, energy flow, biogeochemical cycles, biodiversity, natural resources and population effects. Atmospheric study includes the layers and composition of air, weather and climate, greenhouse gases, global warming, ozone depletion, acid rain and pollution, with climate change distinguished from ordinary weather variation.
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