Paddy field in bhutan are mostly located along the river basins. why?

This is where they grow the best.

Explanation:

Factors such as climate and location are taken into consideration when determining why something is where it is.

These paddy fields are located along the river basins because this is where it best grows, along with the climate of the area Bhutan is.

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.