A is true but R is false. Biodegradable substances like food waste or leaves decompose into simpler organic matter, forming compost and replenishing soil. The reason is false, as it mentions inorganic substances instead of organic substances. Assertion is ...
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A is true but R is false. When current increases in a conductor, the magnetic field becomes stronger. This causes a greater deflection of the compass needle, not a decrease. Thus, assertion is false, while the reason is scientifically ...
Both A and R are true, and R is the correct explanation of A. Sexual reproduction introduces genetic variations, increasing adaptability to environmental changes. These variations give better chances of survival compared to asexual reproduction. Hence, both assertion and reason ...
A is true but R is false. Rusting of iron is a chemical process but not endothermic; it is a slow exothermic reaction, releasing little heat. Since the heat released is negligible, it often goes unnoticed, making the given ...
The correct option is (a) Broken down by biological processes. Biodegradable substances like food waste, paper, and leaves decompose naturally through bacteria and fungi, turning into harmless products. They don’t accumulate in the environment and are eco-friendly compared to plastics. cbse ...