Q: The waste of cows releases a lot of which type of gas?


Read this paragraph and choose the correct option from the provided answers:

Volatile organic compounds (VOCs) are carbon compounds such as methane. VOCs are released in many human activities, such as raising livestock. Livestock wastes produce a lot of methane.

 Choices:

- carbon dioxide

- oxygen

- sulphur

- methane


A:
methane