Methane is nontoxic, yet it is extremely flammable and may form explosive mixtures with air. ... The concentration of methane at which asphyxiation risk becomes significant is much higher than the 5–15% concentration in a flammable or explosive mixture.
Answers & Comments
Answer:
True
Explanation:
Methane is nontoxic, yet it is extremely flammable and may form explosive mixtures with air. ... The concentration of methane at which asphyxiation risk becomes significant is much higher than the 5–15% concentration in a flammable or explosive mixture.
True