Which Is NOT a Naturally Occurring Greenhouse Gas

question 77

Multiple Choice

Which is NOT a naturally occurring greenhouse gas?

• A) methane
• B) carbon dioxide
• C) water vapor
• D) nitrous oxide
• E) chlorofluorocarbons (CFCs)

---

Definitions:

Hair Cells

Sensory cells found in the inner ear, responsible for converting sound vibrations into electrical signals that can be interpreted by the brain.

Supporting Cells

Cells that provide structural or nutritional support in various tissues and organs.

Aqueous Fluid

The clear, watery fluid found between the lens and the cornea of the eye, serving to maintain intraocular pressure and provide nutrition to the eye’s avascular tissues.

Cornea

The transparent covering of an eye.