Question

3. Divergent and convergent bou
4. Primary waves and Secondary waves./62
5. Shield volcano and volcanic Dome.
VII. Write answers in a Paragraph
1. Describe the structure of the Earth./58
2. Write a note on the internal and external
processes of Earth.160
3. How are volcanoes classified based on
the periodicity of their eruptions? 163
4. Explain the effects of Volcanoes. 164​

Answer 1

Answer:

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Answer 2

3.On the basis of their periodicity of eruptions, volcanoes may be classified into active, dormant and extinct volcanoes.

4. They can cause rain, thunder and lightning. Volcanoes can also have long-term effects on the climate, making the world cooler. Fast-moving lava can kill people and falling ash can make it hard for them to breathe. They can also die from famine, fires and earthquakes which can be related to volcanoes.