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Even Though Plastics Are Very Useful, They Are Not Environment Friendly

Sujoy Das
06/03/2018 0 0

Question:

Even though plastics are very useful, they are not environment friendly.” Justify the statement

Answer:

Plastics are very useful, but their disposal is a big problem. Plastics are non-biodegradable and take many years to decompose. They release a lot of poisonous fumes, when burnt so they cause environmental pollution.

Question:

What is the difference between current flowing through metals and current flowing through liquids?

Answer:

In metals electric current is conducted by flow of electrons. In liquids, the movement of charged particles (ions) carry current from anode to cathode terminals. Electrolytes conduct
current at a slow rate than metals.

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