Choose the sentence that best combines each pair of sentences given.

The rapid urbanization led to many serious problems. One of those is the growth of slums.

The profit rose by 25% although the stabilization of the office's expenditure.

The profit rose by 25% as a result of the stabilization of the office's expenditure.

The profit rose by 25% despite the stabilization of the office's expenditure.

The profit rose by 25% owing to the stabilization of the office's expenditure.

Urbanisation brings economic development whereas it also causes environmental pollution.

Urbanisation brings economic development as it also causes environmental pollution.

Urbanisation brings economic development so it also causes environmental pollution.

Urbanisation brings economic development because it also causes environmental pollution.

If public transport is improved, traffic congestion in urban areas can be reduced.

Traffic congestion in urban areas can be reduced although public transport is improved.

Traffic congestion in urban areas can be reduced despite public transport is improved.

If public transport is improved, traffic congestion in urban areas cannot be reduced.

Many young people move to cities although they want to seek better job opportunities.

Many young people move to cities in order to seek better job opportunities.

Many young people move to cities because they want to seek better job opportunities.

Many young people move to cities, so that they want to seek better job opportunities.

Twice as many people were unemployed in 2005 compared to 2009.

Twice as many people were unemployed in 2009 than in 2005.

There were twice as many unemployed people in 2005 compared to 2009.

There were twice as many unemployed people in 2009 as in 2005.

There was a rise by 30% in the rate of unemployment.

There was a rise of 30% in the rate of unemployment.

There was a rise to 30% in the rate of unemployment.

There was a rise up 30% in the rate of unemployment.

The availability of seasonal produce experienced a stable period.

The availability of seasonal produce is recorded leveling off.

The availability of seasonal produce hardly moved up and down.

The availability of seasonal produce went through a period of erratic.