The topic comes under occupational health hazards as the prolonged exposure to airborne concentrations of substances in the environment which affects nearly all the workers. The mass of particular substances and their concentration increases the risk of various side effects on the body of the work as well as on their physiological capacity to work.
Divergent boundaries are boundaries where plates pull away from each other, forming mild earthquakes and volcanoes as magma comes to the surface. Convergent boundaries are boundaries where two plates are pushing into each other.
The type of the sedimentary that are present in the Himalayas were the marble, dolomite and silts stone and shale and limestone as per the geologic records the carbon dating of the rocks reveals there ages as per the data collected from the accumulation of the sediments. The upliftment of seas and also the fossil life of the plants and animals that were found during that period.