<span>large deserts stretch across the plain-the kara kum and the kyzyl kum.</span>
you can use physical properties to separate a mixture because a mixture is a physical thing you made it by being physical. So you can use a syringe, or a screen, or a filter what ever you use its a physical propertie.
5 events that can trigger a mass movement is a avalanche,landslides, mud slides, rock slides, and debris slides.