Explanation:
Let
and 
The sum of the two vectors is


The difference between the two vectors can be written as


Answer:
b. Italy
Explanation:
Italy had sided with germany and lost in world war 2
After the Potsdam conference, Germany was divided into four occupied zones: Great Britain in the northwest, France in the southwest, the United States in the south and the Soviet Union in the east.
europeuncedu
Answer:
chemical potential of a species is energy that can be absorbed or released due to a change of the particle number of the given species, e.g. in a chemical reaction or phase transition.
Explanation: