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[2 Mark Question Answer]

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12 questions · timed · auto-graded

Question 12 Marks
Critical thinking question:
A tsunami alert was issued in Indonesia on Wednes-day after multiple eruptions of the Ruang mountain volcano of Indonesia sent ash and lava thousands of feet in the sky. (April 18th 2024, Hindustan Times)
(a) As a student of Geography explain the reason of frequent volcanic eruption in Indonesia?
(b) How are tsunami and volcanic eruption associated with each other?
Answer
(a) Indonesia, an archipelago of 270 million people, has 120 active volcanoes. It is prone to volcanic activity because it is situated along the "Ring of Fire," of Pacific Ocean.
(b) Due to volcanic eruption under the water, a huge volume of water is displaced from its place which leads to the generation of high sea waves, called tsunami.
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Question 22 Marks
Critical thinking question:
Image
Hrunalaug hot spring is the most attractive place for the tourist in Iceland.
(i) Why the hot springs are found in a cold region like Iceland?
(ii) Why do people take bath on that spring?
Answer
(i) Iceland is situated on the Mid Oceanic ridge which is a volcanism prone area. As a result temperature under the crust is very high which is working as a heat flux. Thus water of springs often heated up when it goes to the deeper re-gion.
(ii) Hot springs are rich in sulphur which can cure skin diseases and has many other medicinal values.
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[2 Mark Question Answer] - Geography STD 9 Questions - Vidyadip