title: Cilmi baaris cusub oo la sameeyay ayaa sheegaysa in timaha oo dillaacaya ay sabab u tahay wasakheynta hawada
abstract: Cilmi-baadhayaashu waxay ogaadeen in waxyaabaha caadiga ah ee hawada wasakheeya (oo loo yaqaano walxaha wasakheeya, ama PM marka la soo gaabiyo) ay la xiriiri karaan timaha oo dhaca.