Question

which of the following is derived from other forms of fuel, such as wood or coal?

○ a. manufactured gas
○ b. liquefied natural gas
○ c. compressed natural gas
○ d. liquefied petroleum gas

Explanation:

Manufactured gas is produced from materials like wood or coal. Liquefied natural gas (LNG) is natural gas (mainly methane) that is cooled to liquid form. Compressed natural gas (CNG) is natural gas under pressure. Liquefied petroleum gas (LPG) is derived from petroleum.

Answer:

A. Manufactured gas