Which of the following is NOT a true statement about natural gas?
Oa. Natural gas is a mixture of light hydrocarbons.
Ob. Natural gas is 100% methane.
Oc. Natural gas is formed less efficiently than oil from organic matter deposits.
Od. Natural gas can be obtained as a byproduct from the distillation of crude oil.
Oe. Combustion of natural gas typically produces less air pollution than combustion of either coal or-fuel oil.
Oa. Natural gas is a mixture of light hydrocarbons.
Ob. Natural gas is 100% methane.
Oc. Natural gas is formed less efficiently than oil from organic matter deposits.
Od. Natural gas can be obtained as a byproduct from the distillation of crude oil.
Oe. Combustion of natural gas typically produces less air pollution than combustion of either coal or-fuel oil.