IMPINGEMENT SYNDROME 375 â¢ STRENGTHENING EXERCISES â¢ ImpingementSyndrome (Rotator Cuff Tendinitis, Bursitis)These are some of the initial exercises you may startyour rehabilitation program with until you see yourphysician, physical therapist, or athletic trainer againor until your symptoms are resolved.
First, a rock is composed of one or more minerals and sometimes mineraloids but do not have a crystal structure. A mineral is a chemical substance made up of one or more chemicals having a definite crystal structure. Rocks do not have a definite chemical composition whereas minerals do.
Minerals are made of chemicals - either a single chemical or a combination of chemicals.There are 103 known chemical elements. Minerals are sorted into 8 groups. Difference between rock and mineral- A rock is made up of 2 or more minerals, whereas a mineral is composed of the same substance throughout. Ore- A mineral occurring in sufficient quantity and containing enough metal to permit its recovery and extraction at a profit.