Methane is the gas present in coal mine.
they drill it up or mine for it
1. Oil 2. Coal 3. Natural Gas...
Poor ventilation , gas pockets, explosion hazards.
methane gas used in mines is called a firedamp.
People wear gas masks to protect themselves
Harold Putnam Greenwald has written: 'Tests on the ignition of natural gas-air mixtures by permissible explosives in the experimental coal mine' -- subject(s): Coal mines and mining, Explosives 'Coal-mine ventilation factors' -- subject(s): Coal mines and mining, Mine ventilation
Traditionally a bird was taken into the mine as they are more susceptible to the effects of the contaminants. This is where the phrase "canary in a coal mine" came from.
Because some dumb guy farted and sent a gas rocket that caused the coal to crash down.
fossilfuel
rocksmineralswater
Carbon and hydrogen
Oil , coal, and natural gas