Which of These Statements Correctly Describes Why Methane and Carbon

question 52

Multiple Choice

Which of these statements correctly describes why methane and carbon dioxide are considered to be significant greenhouse gases?
I. Both have permanent dipole moments that change with vibration of the molecule.
II. Neither has a permanent dipole moment, but a dipole moment is produced when the molecule vibrates.
III. The concentration of carbon dioxide in the atmosphere increases when fossil fuels are mined and burned.

• A) I only
• B) II only
• C) III only
• D) I and III only
• E) II and III only

---

Definitions:

Savings

Money set aside typically in financial instruments, representing deferred consumption or for future use.

Disposable Income

The economic provision for households' saving and spending activities post income tax calculations.

Saving

Income that is not expended on immediate consumption but rather reserved for investing or future purposes.

Disposable Income

Financial resources at the disposal of households for the aims of saving and spending after income tax engagements.