The basic structure of a volcano consists of a magma chamber, central vent and crater. Other elements are: pipe, side vent and lava flow. Magma chamber is the pocket beneath a volcano where magma collects. Central vent is the central opening through which molten rock and gas leave a volcano. The crater is a bowl-shaped area that forms around a volcano's central opening.
The correct answer is - Tethys Ocean.
The Tethys Ocean was an ocean that was situated between the European and African continents, through what is now the Middle East and parts of Central Asia, and the northern half of the Indian Ocean. Because of the geologic activities, mainly the movement of the Indian plate towards Asia, and the Alpine orogenesis, the ocean was becoming smaller and smaller, and it started to be divided into smaller pieces, until it totally disappeared. One of the remains of this ocean is the largest lake in the world, the Caspian Lake, often referred to as Caspian Sea, and it can easily be seen that this body of water was once part of a much bigger body of water with saline water, because it itself has saline waters.
Answer:
C, A small battery has stored magnetism that can be used to attract paper clips.
Explanation:
The Salt Strike was the most aggressive revolt of the Indian National Congress. The correct option among all the options that are given in the question is the first option. This was actually a civil disobedience movement in a non violent matter. This is also an important movement in the history of India.