Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle. Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle.
The term âfutilityâ is used to refer to the inability of a clinical trial to achieve its objectives. In particular, stopping a clinical trial when the interim results suggest that it is unlikely to achieve statistical significance can save resources that could be used on more promising research.
Motility may also refer to an organism's ability to move food through its digestive tract, i.e. peristalsis (gut motility, intestinal motility, etc.). An example of intestinal motility is the contraction of smooth muscles in the gastrointestinal tract.