Various monuments constructed in pakistan show their grandeur but nowadays they are being affected by many external factors. Identify some factors to preserve our heritage.

Various external factors such as air pollution, acid rain, development, tourism, and ineffective policies are affecting the monuments.

Explanation:

Sulfur dioxide gases have polluted the air. They fall on the marble stone of the monuments in the form of acid rain. A corrosive reaction takes place, and it dissolves the marble and damages it badly. Other than this, the construction of new buildings around the monuments is also affecting cultural heritage.

for starters, there is the structural trend of rising primary government expenditure as a share of gdp, which reached 36% in 2014, up from 22% in 1991. this increase reflected a political desire to address the poverty and inequality that had gone unaddressed during previous decades. to support the increase, brazil’s government increased taxes on consumption and promoted progress toward labor-market formalization. nonetheless, public investment, particularly in infrastructure, took a hit. in fact, with the exception of the 2005-2008 period, total investment as a share of gdp has remained below 20% since 1991.