Q:-Short answer type questions.
1. Name the two kinds of charges.
2. What are lightning conductors?
3. Give a brief definition of an earthquake.
4. Mention the causes of earthquakes.
5. What is the cause of volcanic eruption?
6. Name the scale that is used for measuring (a) magnitude, (b) intensity, of an earthquake.
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Answer:
1. The two kinds of charges are positive and negative charge.
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