Treatment of hypothyroidism with levothyroxine is effective, but starting doses vary. There are two strategies for initiating levothyroxine in healthy adults younger than 65 years: low-dose (50 mcg) and full-dose (1.6 to 1.7 mcg per kg).
The only good example of this is chalk, which is made from the compacted shells of tiny marine organisms called diatoms. Other than that, animal and plant remains do not tend â¦to form rocks, although the hard parts may form fossils.
Compaction occurs when the weight of the materials above the sediments presses them together to form a rock. Rock particles along with the remains of organic material such as shells are deposited in the sea where they slowly accumulate and create layers.rystallization. When a rock is formed from a solution, it is called crystallization. Typically sedimentary rocks form in shallow areas of the water or in lakes in arid regions such as a desert where the rate of evaporation is higher than the precipitation.