In a food chain, green plants are
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Answer and explanation
Answer: A. producers
Plants make food by photosynthesis and form the first trophic level.
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Class 10 · Science · Science
13. Our Environment
Which substance damaged the ozone layer?
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Answer and explanation
Answer: A. Chlorofluorocarbons (CFCs)
CFCs used in refrigerants and aerosols break down ozone.
Open this question →Which of these is biodegradable?
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Answer and explanation
Answer: C. Vegetable peels
Microbes break down vegetable peels; the others persist for a long time.
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