The movement of fluid up or down a narrow tube is? by Sunday | Mar 13 | Physics WAEC | 0 comments A. osmosis B. brownian motion C. capillarity D. diffusion Correct Answer: Option C C. capillarity Users Also Read These:The population pyramid for a developed country has a…A small amount of air is introduced into the vacuum…Which of the following phenomena causes capillary of…When ammonium chloride is dissolved in water in a…A loaded test-tube which floats upright in water is…