We know that the average depth of the sea is about two and a half miles, but in a few places it is very deep indeed-over six miles. The air presses upon our bodies with a weight of about fifteen pounds to the square inch at 82 (a) sea-water/(b) sea-level/(c) sea-bed We are used to this air pressure and 83. (a) do/ (b) did /(c) does not notice it. In the sea this 84(a) weight/ (b) volume/ (c) pressure is doubled at a depth of thirty-five feet, ant it 85. (a) expand (b) decreases (c) increases at this rate for greater depths. In the great deeps 86. (a) off (b) of (c) on the Philippine Islands, a man would be squeezed and utterly crushed by a pressure of 87. (a) severe (b) several (c) sheer tons per square inch. The pressure near the ocean floor is 88. (a) such (b) not (c) so such great that if you were to weigh a piece of wood and 89. (a) measure (b) follow (c) lower it to a great depth and then pull it 90. (a) up again it would no longer float, 91. (a) but (b) for (c) when it would have become waterlogged. All the tiny wood cells and cavities 92. (a) should (b) could (c) would have burst and become filled with water. We 93. (a) know (b) have known (c) are knowing that live at a depth of three miles and more and we wonder 94. (a) why (b) how (c) what this can be. The bodies of animals down 95. (a) here (b) where (c) there are almost entirely filled with water, and 96. (a) this (b) these (c) thus saves them from being crushed. However, many of 97. (a) such (b) those (c ) there animals contain some gases as well, for 98. (a) then (b) since (c) when they are captured in nets and drawn 99. (a) on (b) to (c) from the surface these gases expand so much that the animal 100. (a) immediately (b) eventually (c) actually explodes. Its body is torn to shreds as it 101.(a) bursts. (b) jumps (c) lands.
choose the correct option as mentioned at 86.