Answer:
How do you prove that the distance between one black dot and one white dot is one unit ? You don't, because it's false. If all black dots happen to be on the line and white dots on the line (and the rest of the plane is neither white nor black), there is no such pair.
Explanation:
Two turtle doves
Three french hens
Five golden rings
Seven swans a swimming
Elven pipers piping
Answer:
The necessity of balancing the federal budget
Explanation:
Teacher said so.
Specialization increases productivity which is good for the producers. Consumers have more options, since there are more products on the market. Specialization also contributes to better quality of production and the final products because in the chain of production each employee is specialized in doing one thing in the best way.