Question

conservation of mass/energy
conservation of mass - todd ramsey
multiple - choice question
when methane burns or combusts it releases
energy
cow flatulence
fire
rewatch

Explanation:

Combustion of methane (CH₄) is an exothermic reaction. In an exothermic reaction, energy is released. Cow flatulence is related to methane production in cows, not its combustion. Fire is a result of combustion (a visible manifestation in some cases due to heat - induced light emission), but the key product released in terms of energy form is energy itself.

Answer:

Energy