ICSE Class 9 Answered
1.distinguish between the following pairs:
a. Acid lava and Basic lava
b. Crater and caldera
C. Active and extinct volcano
d. Soil creep movement and soil flow
e. Weathering and denudation
2.explain the following terms:
a. Caldera b. Mud volcanoes c. Dykes d. Ring of fire e. Lava
3.describe the distribution of volcanoes
4. give reasons for the following:
a. Hot springs are common in the volcanic areas.
b. Earthquakes are closely associated with volcanic belts .
c. Lava activity is profitable to man.
d. Mostly earthquakes occur in the belt of young-fold mountains
e. Volcanic activity and eartquakes occur in the same belt
Asked by sanu123736 | 06 Jun, 2015, 02:30: PM
Expert Answer
A Caldera is a large depression in a volcano which is formed either by the collapse of a composite volcano after an explosive eruption. A crater is a steep walled depressoin located at the summit of a volcano. A crater can also be produced by a metorite impact.
Please ask rest of the queries as separate questions.
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