My answer is the Vacoules, but I might be wrong.
Answer:
Petroleum gas is mainly C3 and C4 based (propane and butane), whilst natural gas is predominantly C1 and C2 (methane and ethane). Petroleum gas is generally produced via the cracking of naphtha, which is one of the components separated during crude oil refining.
Explanation:
Answer:
C. Plants release carbon dioxide and take in oxygen through the xylem in leaves.
Explanation:
Plants exchange gas with the atmosphere and release carbon dioxide and take in oxygen through the xylem in leaves.