So, What Does A Medical Assistant Do In a Pediatric Office? Medical assistants can be employed at healthcare practitionerâs clinics or offices, hospitals, insurance companies, and other healthcare-related institutions. In general, clinical and administrative tasks are similar across all sites of work.
Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures that do not destroy fossil remains. Dead organisms can become sediments which may, under the right conditions, become sedimentary rock.
Sedimentary (as in sediment) rocks are sometimes grainy, they're made when different layers of pebbles, sand and such, are all compacted together by pressure, so they usually â¦ have layers, and limestone (a sedimentary rock that dissolves in vinegar, or any type of acid) commonly contains fossils. sedimentary rock is one that is formed by the accumulation of small to large sediment particles and undergoes compaction, cementation or evaporation from a saturated mineral â¦ solution.