Question

Why do we say that ' burning of fuels ' can cause ' health hazards '??

Answer 1

Image result for o we say burning fossil fuels can cause health hazards

Air pollution. Burning fossil fuels emits a number of air pollutants that are harmful to both the environment and public health. Sulfur dioxide (SO2) emissions, primarily the result of burning coal, contribute to acid rain and the formation of harmful particulate matter

Answer 2

Answer :
Burning of fossil fuels is a factor related to health hazards because
after their combustion, the gas liberated such as CO, NO2 and many more...which are greenhouse gases too..

due to Air-pollution caused during its combustion, many people have breathe-respiratory problems may suffer to high extent,
and normal people also get it's effect.

hope it helps,

regards
Mohit Khairnar