Through which gas in the table do sound waves travel at the slowest speed?

Air (dry)/Ammonia/Methane/Nitrous oxide
Speed of sound (m/s) 346/ 415/ 450/ 263

A. Ammonia
B. Nitrous oxide
C. Air
D. Methane

Respuesta :

Answer: nitrous oxide

Explanation:

Answer: the answer would be methane if the problem is asking for the fastest

Explanation: