Primary waves travel through Earthâs crust at an average speed. of about 5 kilometers per second (3 mi/s). Primary waves can travel. through solids, liquids, and gases. As they pass through a material, the. particles of the material are slightly pushed together and pulled apart.
Why This Occurs. Emotional detachment is usually an issue caused by severe, intense anxiety - most notably panic attacks, although any form of severe anxiety can cause emotional detachment. While it's not entirely clear what causes this detachment, it most likely is a coping mechanism for the brain.
Retinal detachment happens when this layer is pulled from its normal position. Sometimes, there are small tears in the retina. These, too, can cause the retina to become detached. There are three types of detached retina: Rhegmatogenous retinal detachment is a break, tear, or hole in the retina.