describe an activity to show that while paper is biodegradable and plastic is non biodegradable
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After a month, we dig up the buried material and observe them. We will find that the piece of paper has been partially eaten up but the plastic bag has been remained unaffected. This means that the paper have been decomposed by the micro-organisms present in the soil. So paper is biodegradable.
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एक पानी का छींटा परिपथ में धारा प्रवाह केवल
Answer: Current only flows when a circuit is complete—when there are no gaps in it. In a complete circuit, the electrons flow from the negative terminal (connection) on the power source, through the connecting wires and components, such as bulbs, and back to the positive terminal.11-Aug-2020
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