Question

E. Give reasons for the following:
1. Earthquakes are closely associated with volcanic
belts.
2. Lava activity is profitable to man.
3. The Circum-Pacific Belt is also called the "Ring of
Fire". S
4. Volcanos have constructive effects in favour of man.
5. Mt. Vesuvius in Itally is a dormant volcano.​

Answer 1

Answer:

1.Most earthquakes are along the edges of the tectonic plates. This is where most volcanoes also occur. So most earthquakes are caused by the interaction of the plates not the movement of Magma. Thus earthquakes are closely associated with volcanic belts.

2.When lava comes to the surface of the earth, it cools and solidifies. This lava is rich in minerals. ... Thus, lava activity is profitable for humans.

3.The Ring of Fire (also known as the Rim of Fire or the Circum-Pacific belt) is a major area in the basin of the Pacific Ocean where many earthquakes and volcanic eruptions occur.

4.Over geologic time, volcanic eruptions and related processes have directly and indirectly benefited mankind: Volcanic materials ultimately break down and weather to form some of the most fertile soils on Earth, cultivation of which has produced abundant food and fostered civilizations.

5.Vesuvius is still regarded as an active volcano, although its current activity produces little more than sulfur-rich steam from vents at the bottom and walls of the crater. Vesuvius is a stratovolcano at the convergent boundary where the African Plate is being subducted beneath the Eurasian Plate.

Explanation:

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