The correct answer is D. Chloropicrin.
Ethane is
64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTubeTear gas is a chemical weapon that is used to irritate the eyes, nose, and throat. It is typically used to disperse crowds or to incapacitate individuals. Chloropicrin is one of the most common types of tear gas. It is a highly effective irritant that can cause severe pain and discomfort. It is also a persistent chemical, meaning that it can remain in the environment for long periods of time.
Tear gas is a controversial weapon. Some people believe that it is a legitimate tool for law enforcement and crowd control. Others believe that it is a cruel and inhumane weapon that should not be used.