Read the passage carefully and answer the questions asA volcano is an ecening in the eart's site tingh without soum, pases, moltonroch dust ashes and other und sold man The Documulation of material aroundthe vent gives to the volcano is a come stage. The neck through wichmaterials are ejected man te comard to the sum of tunel leading 20 the bowlSome volcances are built up al mese argity of and others mainty of solidifiedase, called to and cater fragmentar mumer than cul Gaming an cruption. But themajority of cores consist of alternate layers of an and to Subsidiary cones are oftenformed at the sides of the welcate. Sometimes the most comes Slocked with solicifiedva and ultimately the stormous pressure de sa portion of the mountain awayTheis happened in the cast of Venus, which is merely the remains of a much greatervolcano now as Somma a large part of which was seen in the historic eruptionof AD 79 when Herculaneum and Pompei were hund soncath clouds of volcanicOn the basis of your understanding of the stove passes the following questionsThe cone- ke stape of a valcano is due tosteam and gas a) accumulation of material around the vant. (m) is funnel (iv) its orater.Most comes of volcanoes are made oflava and tuff in sandSometimes when the crater gets blockedthe vent becomes deeper m it becomes very hoe eo the pressure blows a part of themountain away. (iv) the mountain freezesd)Vesuvius is -Of the remains of a valcano called Somnia.mountain. (iv) the part of Africa(un) another name fore)The wordin para 2 means connected but less importanttuff (in) alternate (iii) solidified (iv) SubsidiaryThe volcanic matderials that erupt are(1) water and ice () plant waste and watervitt) molten rock and gases (iv) coal and gold​