Plates include both oceanic crust and continental crust. Stable subduction zones involve the oceanic lithosphere of one plate sliding beneath the continental or oceanic lithosphere of another plate due to the higher density of the oceanic lithosphere. That is, the subducted lithosphere is always oceanic while the overriding lithosphere may or may not be oceanic.
The exact cause of arthritis is unknown. However, there are a number of risk factors associated with various arthritic conditions. A risk factor increases the chances that a person will develop a disease or condition.Risk factors for osteoarthritis (OA) include heredity and the wear and tear of aging.he exact cause of arthritis is unknown. However, there are a number of risk factors associated with various arthritic conditions. A risk factor increases the chances that a person will develop a disease or condition.
Rheumatoid arthritis (RA) causes pain, swelling, and stiffness in your joints. Some people find that one way to relieve their joint pain is to make changes in their diet.