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Answer:
The SI system : The international system of units.
It is a scientific method of expressing the magnitudes or quantities of important natural phenomena.
<u>Benefits</u><u> </u><u>of </u><u>SI </u><u>system</u>
- It is a coherent system of units ( a system based on certain sets of fundamental units )
- It is a rational system of units ( it assigns only one unit to a particular physical quantity )
Answer:
The circular path and electron revolves around the nucleus in an atom is called shell or orbit.
First, to convert from C to K, add (C+273)=k
So -25+273=248