Which of the Following Is not a Trace Gas

question 41

Multiple Choice

Which of the following is not a trace gas?

• A) CH₄
• B) CFCs
• C) C₂N
• D) N₂O

---

Definitions:

Muscle

Tissue in the body that contracts to allow movement of parts of the body.

Gluteus Maximus

The largest and strongest muscle in your body, located in the buttocks, responsible for movement of the hip and thigh.

Extends

To stretch out or spread from one point to another.

Rotates

The action of moving or turning around an axis or center point.