Depending on context you should decide whether to use "ft." as the image does or "feet." Focus on the information that the diagram is providing, the type of soil in each funnel and the amount of water ...

Ryo Suzuki and his team at the University of Colorado Boulder are pioneering this new approach to make textbooks dynamic and ...

Free body diagrams close free body diagramA simplified drawing of an object or system showing the forces acting on it. The forces are shown acting away from the centre of a box or dot. are used to ...