URGENT! Match the events that contributed to the fall of the Soviet Union with the years in which they took place.

The Soviet Union invaded

Czechoslovakia and

reversed its economic

reforms.

Workers in Poland won higher

wages after an uprising.

Yugoslavia parted ways with

the Soviet Union because of

political differences.

Military forces began constructing

the Berlin Wall.

1948

1956

1961

1968

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Explanation:

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation:

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".