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The pascal (symbol:1 Pa = 1 N/m 2) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Blaise Pascal, is defined as one newton per square metre [1] and is equivalent to 10 barye (Ba) in the CGS system. The unit of measurement called standard ...

A physician assistant or physician associate ( PA) is a type of mid-level health care provider. [1] [2] Other job titles are used for essentially the same function, e.g. Clinical Officer, Assistant Doctor. In North America PAs may diagnose illnesses, develop and manage treatment plans, prescribe medications, and may serve as a principal ...

Background. William Penn, as an English Quaker, sought to construct a new type of Community with religious toleration and a great deal of political freedom.It is believed that Penn's political philosophy is embodied in the West Jersey Concessions and Agreements of 1677, which is an earlier practical experience of government constitution prior to the establishment of Pennsylvania.

Permafrost. Slope failure of permafrost soil, revealing the top of an ice wedge. Permafrost is ground that continuously remains below 0 °C (32 °F) for two or more years, located on land or under the ocean. Most common in the Northern Hemisphere, around 15% of the Northern Hemisphere or 11% of the global surface is underlain by permafrost, [1 ...