Importance Of Methane

Question 0

If water table is far beneath the surface, most methane

Answer 0

Diffusing to the surface is oxidised to CO2.

Question 1

Occurs when the water table is

Answer 1

Below the surface - Proportion of CH4 removed by wetlands is related to the depth of the water table.

Question 2

If the water table is close to the surface, most methane

Answer 2

Escapes oxidation and is released to the atmosphere.