3. PRESENTED
BY
NAME ANILA KRISHNAN AG
OPTION SOCIALSCIENCE
REG. No. 13983003
4. VOLCANOES ARE CAUSED WHEN MOLTEN
ROCK (MAGMA)FLOWS OUT INTO THE
EARTH’S SURFACE THROUGH FISSURES
THAT ARE CAUSED DUE TO THE
MOVEMENT OF PLATES. THE FISSURES ,
THROUGH WHICH MAGMA COMES OUT
FROM THE AESTHENOSPHERE ON TO THE
CRUST OF THE EARTH IS KNOWN AS THE
VENT THE ROCKS AND OTHER MATERIAL
WHICH COME FROM THE SURFACE OF
THE EARTH ACCUMULATES TO DEVELOP
VOLCANIC MOUNTAINS.