Question

From the options given below, choose a pair of poisonous gases that workers could have inhaled when they were inside the septic tank. *
1 point
Hydrogen sulphide , Methane
Oxygen , Methane
Carbon monoxide , Sulphur dioxide
Hydrogen sulphide and oxygen​

Answer 1

Answer:

These gases can be toxic if inhaled in high concentrations or for a prolonged period of time. Septic tank gases contain methane, hydrogen sulphide (H2S), carbon dioxide, sulphur dioxide, ammonia, nitrogen dioxide and traces of carbon monoxide