Answer:
Urban: located in a city; a densely populated area
Rural: located in a country; a sparsely populated area
urbanism: an emphasis on life, work...
Metropolitan area: a territory that spreads outward...
As part of the first five-year plan, collectivization was introduced in the Soviet Union by general secretary Joseph Stalin in the late 1920s as a way, according to the policies of socialist leaders, to boost agricultural production through the organization of land and labor into large-scale collective farms (kolkhozy) ...
Transpiration is the passage of of watery vapor from a living body (as of a plant) through a membrane or pores
• sum of squared differences
Ψ(f1, f2) = −∑|f1(ri)− f2(ri)|2
• correlation
i
Ψ(f ,f )=∑