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Fill in the blanks. (a) The unit of pressure is ………… . (b) Ink rises into the ink dropper because of the ………… pressure acting on the surface of the ink in the bottle. (c) When the piston of a pump is pulled up, the pressure inside ………… . (d) The air pressure inside our body is equal to the ………… . |
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Answer» Fill in the blanks. (a) The unit of pressure is ………… . (b) Ink rises into the ink dropper because of the ………… pressure acting on the surface of the ink in the bottle. (c) When the piston of a pump is pulled up, the pressure inside ………… . (d) The air pressure inside our body is equal to the ………… . |
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