Which of the following Volatile Organic Compounds (VOCs) are emitted from anthropogenic sources only?

A. Isoprene

B. Benzene

C. Terpene

D. Methane

E. Toluene

Choose the correct answer from the options given below:

Key Points

Volatile Organic Compounds (VOC's)

• Volatile Organic Compounds (VOCs) are organic chemicals that have a high vapor pressure at room temperature.
• They are emitted from both natural and anthropogenic sources such as plants, wildfires, and various human activities including transportation, industrial processes, and the use of solvents and chemicals in households.
• Some common VOCs emitted from anthropogenic sources include benzene, toluene, xylene, formaldehyde, and various types of solvents.
• These compounds have been linked to various health and environmental problems including air pollution, smog formation, and respiratory issues.

Important Points

•  A. Isoprene is emitted not only from anthropogenic sources but also from natural sources such as trees and vegetation.
• B. Benzene is primarily emitted from anthropogenic sources such as fuel combustion and industrial processes.
• C. Terpene is emitted from both natural and anthropogenic sources. It is found in many plants and is also used in the production of some household products.
• D. Methane is a greenhouse gas and is emitted from both natural and anthropogenic sources such as agriculture, livestock, and the energy sector.
• E. Toluene is primarily emitted from anthropogenic sources such as fuel combustion and industrial processes.

Hence, B and E Only are correct.